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Top 10 Rarest Diseases You’ve Never Heard Of


one in a million what are the odds

one in a million what are the odds welcome to watchmojo.com and today we’re

welcome to watchmojo.com and today we’re

welcome to watchmojo.com and today we’re counting down our picks for the top ten

counting down our picks for the top ten

counting down our picks for the top ten rarest conditions and diseases fop is

rarest conditions and diseases fop is

rarest conditions and diseases fop is one of the rarest conditions known to

one of the rarest conditions known to

one of the rarest conditions known to mankind

mankind

mankind before we begin we publish new videos

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every day so be sure to subscribe for more great content for this list we’re

more great content for this list we’re

more great content for this list we’re ranking the medical conditions that

ranking the medical conditions that

ranking the medical conditions that occur the least among the human

occur the least among the human

occur the least among the human population these diseases either tend to

population these diseases either tend to

population these diseases either tend to be found in one specific area of the

be found in one specific area of the

be found in one specific area of the world or otherwise rarely present within

world or otherwise rarely present within

world or otherwise rarely present within large groups of people and tend to carry

large groups of people and tend to carry

large groups of people and tend to carry with them some very bizarre symptoms one

with them some very bizarre symptoms one

with them some very bizarre symptoms one leg swollen more than double the size of

leg swollen more than double the size of

leg swollen more than double the size of the other her skin hot and thick number

the other her skin hot and thick number

the other her skin hot and thick number 10 foreign accent syndrome between 1941

10 foreign accent syndrome between 1941

10 foreign accent syndrome between 1941 and 2009 62 cases of the speech

and 2009 62 cases of the speech

and 2009 62 cases of the speech condition known as foreign accent

condition known as foreign accent

condition known as foreign accent syndrome or FAS were reported first

syndrome or FAS were reported first

syndrome or FAS were reported first discovered in 1907 FAS is characterized

discovered in 1907 FAS is characterized

discovered in 1907 FAS is characterized by the subject speaking their native

by the subject speaking their native

by the subject speaking their native language with an accent that is foreign

language with an accent that is foreign

language with an accent that is foreign to them oh you’re visiting we’ll put a

to them oh you’re visiting we’ll put a

to them oh you’re visiting we’ll put a rush on you for all ongoing why are

rush on you for all ongoing why are

rush on you for all ongoing why are people saying this so imagine a born and

people saying this so imagine a born and

people saying this so imagine a born and raised New Yorker suddenly speaking with

raised New Yorker suddenly speaking with

raised New Yorker suddenly speaking with a deep Southern drawl or like a member

a deep Southern drawl or like a member

a deep Southern drawl or like a member of the British aristocracy Simon I can

of the British aristocracy Simon I can

of the British aristocracy Simon I can summation it what does a chances in some

summation it what does a chances in some

summation it what does a chances in some cases rather than an accent

cases rather than an accent

cases rather than an accent a person’s pitch or ability to correctly

a person’s pitch or ability to correctly

a person’s pitch or ability to correctly pronounce syllables may be affected say

pronounce syllables may be affected say

pronounce syllables may be affected say it again bagel

it again bagel

it again bagel SAS can be brought on by a stroke or

SAS can be brought on by a stroke or

SAS can be brought on by a stroke or some form of head trauma with patients

some form of head trauma with patients

some form of head trauma with patients sometimes comparing the symptoms to

sometimes comparing the symptoms to

sometimes comparing the symptoms to those associated with a speech disorder

those associated with a speech disorder

those associated with a speech disorder she turned up after having a nasty head

she turned up after having a nasty head

she turned up after having a nasty head injury eight years ago speaking with a

injury eight years ago speaking with a

injury eight years ago speaking with a French accent

French accent

French accent can’t believe my ears number nine

can’t believe my ears number nine

can’t believe my ears number nine microcephaly the connection between the

microcephaly the connection between the

microcephaly the connection between the Zika virus in pregnant women and

Zika virus in pregnant women and

Zika virus in pregnant women and children’s born with microcephaly

children’s born with microcephaly

children’s born with microcephaly brought significant attention to this

brought significant attention to this

brought significant attention to this disorder microcephaly generally presents

disorder microcephaly generally presents

disorder microcephaly generally presents at birth or early in a child’s

at birth or early in a child’s

at birth or early in a child’s development children born with the

development children born with the

development children born with the condition exhibit a lack of brain

condition exhibit a lack of brain

condition exhibit a lack of brain development and a

development and a

development and a head much smaller than normal side

head much smaller than normal side

head much smaller than normal side effects include intellectual

effects include intellectual

effects include intellectual disabilities and low motor function as

disabilities and low motor function as

disabilities and low motor function as well as a propensity for seizures and

well as a propensity for seizures and

well as a propensity for seizures and dwarfism the lifespan is also typically

dwarfism the lifespan is also typically

dwarfism the lifespan is also typically affected although there have been cases

affected although there have been cases

affected although there have been cases where those suffering from this

where those suffering from this

where those suffering from this condition went on to lead a normal life

condition went on to lead a normal life

condition went on to lead a normal life usually the impaired brain function has

usually the impaired brain function has

usually the impaired brain function has a significant negative impact but it’s

a significant negative impact but it’s

a significant negative impact but it’s not the end of solutions because you

not the end of solutions because you

not the end of solutions because you have these kids they would teach them so

have these kids they would teach them so

have these kids they would teach them so much number eight

much number eight

much number eight epidermal dysplasia bruise the form of

epidermal dysplasia bruise the form of

epidermal dysplasia bruise the form of the human body is a strange and

the human body is a strange and

the human body is a strange and mysterious thing that can fall victim to

mysterious thing that can fall victim to

mysterious thing that can fall victim to a number of equally strange diseases

a number of equally strange diseases

a number of equally strange diseases case in point the hereditary skin

case in point the hereditary skin

case in point the hereditary skin disease epidermidis plays abruzzo formas

disease epidermidis plays abruzzo formas

disease epidermidis plays abruzzo formas also known as the tree man illness the

also known as the tree man illness the

also known as the tree man illness the disease which is often abbreviated to

disease which is often abbreviated to

disease which is often abbreviated to evey occurs as a result of a pH mutation

evey occurs as a result of a pH mutation

evey occurs as a result of a pH mutation within the genes evey affects the body’s

within the genes evey affects the body’s

within the genes evey affects the body’s resilience to human papillomaviruses on

resilience to human papillomaviruses on

resilience to human papillomaviruses on the skin often infecting the patient

the skin often infecting the patient

the skin often infecting the patient with uncontrolled scale-like growth

with uncontrolled scale-like growth

with uncontrolled scale-like growth these growths often take on the

these growths often take on the

these growths often take on the appearance of tree-like appendages

appearance of tree-like appendages

appearance of tree-like appendages growing from the hands or feet

growing from the hands or feet

growing from the hands or feet remarkably resistant to both medication

remarkably resistant to both medication

remarkably resistant to both medication and surgery evey patients have been

and surgery evey patients have been

and surgery evey patients have been treated with some success but they

treated with some success but they

treated with some success but they usually require repeated treatment

usually require repeated treatment

usually require repeated treatment number seven fibro dysplasia ossificans

number seven fibro dysplasia ossificans

number seven fibro dysplasia ossificans progressiva

progressiva

progressiva our bodies can be incredibly efficient

our bodies can be incredibly efficient

our bodies can be incredibly efficient healing machines but what happens when

healing machines but what happens when

healing machines but what happens when that natural repair process goes wrong

that natural repair process goes wrong

that natural repair process goes wrong this is the situation with fibro

this is the situation with fibro

this is the situation with fibro dysplasia ossificans progressiva

dysplasia ossificans progressiva

dysplasia ossificans progressiva or FOP this disease of the connective

or FOP this disease of the connective

or FOP this disease of the connective tissue affects the body’s ability to

tissue affects the body’s ability to

tissue affects the body’s ability to naturally heal supply of fibrous tissue

naturally heal supply of fibrous tissue

naturally heal supply of fibrous tissue like muscles joints and ligaments

like muscles joints and ligaments

like muscles joints and ligaments translation when someone uplifted with

translation when someone uplifted with

translation when someone uplifted with FOP is injured their body repairs itself

FOP is injured their body repairs itself

FOP is injured their body repairs itself not by growing healthy new tissue but by

not by growing healthy new tissue but by

not by growing healthy new tissue but by growing foam sometimes this results in

growing foam sometimes this results in

growing foam sometimes this results in joints that are literally frozen by the

joints that are literally frozen by the

joints that are literally frozen by the process of ossification and it causes my

process of ossification and it causes my

process of ossification and it causes my muscles and connective tissues to turn

muscles and connective tissues to turn

muscles and connective tissues to turn to bone number six hutchinson-gilford

to bone number six hutchinson-gilford

to bone number six hutchinson-gilford progeria syndrome all those a Curious

progeria syndrome all those a Curious

progeria syndrome all those a Curious Case of Benjamin Button is this who have

Case of Benjamin Button is this who have

Case of Benjamin Button is this who have been inspired by hutchinson-gilford

been inspired by hutchinson-gilford

been inspired by hutchinson-gilford progeria syndrome the condition in real

progeria syndrome the condition in real

progeria syndrome the condition in real life is quite different however body

life is quite different however body

life is quite different however body else was aging

else was aging

else was aging was kidding element babies born with

was kidding element babies born with

was kidding element babies born with this extremely rare genetic disorder

this extremely rare genetic disorder

this extremely rare genetic disorder often simply called progeria aim to age

often simply called progeria aim to age

often simply called progeria aim to age at a vastly accelerated rate few live

at a vastly accelerated rate few live

at a vastly accelerated rate few live beyond their early 20s and most exhibit

beyond their early 20s and most exhibit

beyond their early 20s and most exhibit symptoms of the disease shortly after

symptoms of the disease shortly after

symptoms of the disease shortly after birth these symptoms start with a

birth these symptoms start with a

birth these symptoms start with a failure to fly those other babies do

failure to fly those other babies do

failure to fly those other babies do along with a hardening of the skin other

along with a hardening of the skin other

along with a hardening of the skin other symptoms include brittle bones hair loss

symptoms include brittle bones hair loss

symptoms include brittle bones hair loss reduced eyesight wrinkled skin and

reduced eyesight wrinkled skin and

reduced eyesight wrinkled skin and excessive weight loss essentially the

excessive weight loss essentially the

excessive weight loss essentially the young child seems to be aging way faster

young child seems to be aging way faster

young child seems to be aging way faster than they should be and sadly there is

than they should be and sadly there is

than they should be and sadly there is no cure number 5 Harlequin type Dixie

no cure number 5 Harlequin type Dixie

no cure number 5 Harlequin type Dixie OSIS remarkable advances in the area of

OSIS remarkable advances in the area of

OSIS remarkable advances in the area of neonatal care have proven to be a

neonatal care have proven to be a

neonatal care have proven to be a godsend for those suffering from the

godsend for those suffering from the

godsend for those suffering from the extremely rare skin condition known as

extremely rare skin condition known as

extremely rare skin condition known as Harlequin type exposes this disease is

Harlequin type exposes this disease is

Harlequin type exposes this disease is distinguished by the presence of a thick

distinguished by the presence of a thick

distinguished by the presence of a thick hard armor-like plate of dry skin all

hard armor-like plate of dry skin all

hard armor-like plate of dry skin all over the body dehydration and

over the body dehydration and

over the body dehydration and respiratory issues are common as is

respiratory issues are common as is

respiratory issues are common as is serious infection due to the skins

serious infection due to the skins

serious infection due to the skins cracked arid nature this disease was

cracked arid nature this disease was

cracked arid nature this disease was almost always fatal to infants when it

almost always fatal to infants when it

almost always fatal to infants when it was first seen during the mid 1700s

was first seen during the mid 1700s

was first seen during the mid 1700s today however early care and treatment

today however early care and treatment

today however early care and treatment means that babies born with Harlequin

means that babies born with Harlequin

means that babies born with Harlequin type XP osis now have a fighting chance

type XP osis now have a fighting chance

type XP osis now have a fighting chance for survival when I get such ignorant

for survival when I get such ignorant

for survival when I get such ignorant sand things it does chip away and I just

sand things it does chip away and I just

sand things it does chip away and I just hope it doesn’t completely take take my

hope it doesn’t completely take take my

hope it doesn’t completely take take my confidence away number four congenital

confidence away number four congenital

confidence away number four congenital analgesia we’ve all day dreamed about

analgesia we’ve all day dreamed about

analgesia we’ve all day dreamed about being a superhero and being able to

being a superhero and being able to

being a superhero and being able to withstand an enormous amount of pain or

withstand an enormous amount of pain or

withstand an enormous amount of pain or damage without batting an eye could you

damage without batting an eye could you

damage without batting an eye could you do this harder what would happen if we

do this harder what would happen if we

do this harder what would happen if we actually couldn’t feel any pain

actually couldn’t feel any pain

actually couldn’t feel any pain whatsoever what this really be a good

whatsoever what this really be a good

whatsoever what this really be a good thing not according to those who suffer

thing not according to those who suffer

thing not according to those who suffer from congenital analgesia a rare and

from congenital analgesia a rare and

from congenital analgesia a rare and dangerous disorder which does just that

dangerous disorder which does just that

dangerous disorder which does just that it affects the body’s ability to feel

it affects the body’s ability to feel

it affects the body’s ability to feel pain doctors believe an excessive amount

pain doctors believe an excessive amount

pain doctors believe an excessive amount of endorphins produced in the brain

of endorphins produced in the brain

of endorphins produced in the brain caused this condition unfortunately this

caused this condition unfortunately this

caused this condition unfortunately this exacerbates damage to the body rather

exacerbates damage to the body rather

exacerbates damage to the body rather than diminishing it many of those

than diminishing it many of those

than diminishing it many of those afflicted by CA have reported biting off

afflicted by CA have reported biting off

afflicted by CA have reported biting off their own tongue breaking bones or

their own tongue breaking bones or

their own tongue breaking bones or suffering severe in

suffering severe in

suffering severe in action number three ahlstrom syndrome

action number three ahlstrom syndrome

action number three ahlstrom syndrome Ostrom syndrome or ahlstrom halgren

Ostrom syndrome or ahlstrom halgren

Ostrom syndrome or ahlstrom halgren syndrome as it’s sometimes known is one

syndrome as it’s sometimes known is one

syndrome as it’s sometimes known is one of the most recently discovered

of the most recently discovered

of the most recently discovered conditions on our list first reported in

conditions on our list first reported in

conditions on our list first reported in 1959 by Swedish psychiatrist Carl Henry

1959 by Swedish psychiatrist Carl Henry

1959 by Swedish psychiatrist Carl Henry Ostrom it’s also one of the rarest

Ostrom it’s also one of the rarest

Ostrom it’s also one of the rarest conditions with just over 500 cases

conditions with just over 500 cases

conditions with just over 500 cases having been reported all over the world

having been reported all over the world

having been reported all over the world ahlstrom syndrome can usually be seen in

ahlstrom syndrome can usually be seen in

ahlstrom syndrome can usually be seen in infancy characterized by a wide array of

infancy characterized by a wide array of

infancy characterized by a wide array of severe organ issues obesity blindness

severe organ issues obesity blindness

severe organ issues obesity blindness loss of hearing and diabetes are just a

loss of hearing and diabetes are just a

loss of hearing and diabetes are just a few of the symptoms associated with AF

few of the symptoms associated with AF

few of the symptoms associated with AF if you live past age 50 due largely to

if you live past age 50 due largely to

if you live past age 50 due largely to the fact that there’s currently no cure

the fact that there’s currently no cure

the fact that there’s currently no cure for the disease only therapy and

for the disease only therapy and

for the disease only therapy and treatment number two fields disease no

treatment number two fields disease no

treatment number two fields disease no medical condition is rarer than the

medical condition is rarer than the

medical condition is rarer than the neuromuscular condition known as Fields

neuromuscular condition known as Fields

neuromuscular condition known as Fields disease only two cases have been

disease only two cases have been

disease only two cases have been reported to date the twin sisters

reported to date the twin sisters

reported to date the twin sisters Catherine and Kirsty fields for whom the

Catherine and Kirsty fields for whom the

Catherine and Kirsty fields for whom the disease is named in 1998 their parents

disease is named in 1998 their parents

disease is named in 1998 their parents noticed some initial problems within

noticed some initial problems within

noticed some initial problems within five years the girls were suffering from

five years the girls were suffering from

five years the girls were suffering from severe muscular degeneration eventually

severe muscular degeneration eventually

severe muscular degeneration eventually losing their ability to speak and

losing their ability to speak and

losing their ability to speak and requiring Walker’s to assist in mobility

requiring Walker’s to assist in mobility

requiring Walker’s to assist in mobility meanwhile neurological issues caused

meanwhile neurological issues caused

meanwhile neurological issues caused severe shaking and trembling hands so

severe shaking and trembling hands so

severe shaking and trembling hands so difficult to manage a 2012 update from

difficult to manage a 2012 update from

difficult to manage a 2012 update from Britain’s Daily Mirror showed the girls

Britain’s Daily Mirror showed the girls

Britain’s Daily Mirror showed the girls in good spirits after they were given

in good spirits after they were given

in good spirits after they were given speech devices similar to those used by

speech devices similar to those used by

speech devices similar to those used by Stephen Hawking before we named our

Stephen Hawking before we named our

Stephen Hawking before we named our rarest medical conditions here are some

rarest medical conditions here are some

rarest medical conditions here are some honorable mentions

honorable mentions

honorable mentions [Music]

number one aquagenic urticaria some

number one aquagenic urticaria some people can’t swim some folks just hate

people can’t swim some folks just hate

people can’t swim some folks just hate the water water never touch the stuff

the water water never touch the stuff

the water water never touch the stuff fish in it but what if exposure to h2o

fish in it but what if exposure to h2o

fish in it but what if exposure to h2o actually caused you intense physical

actually caused you intense physical

actually caused you intense physical pain

pain

pain those who suffer from aquagenic

those who suffer from aquagenic

those who suffer from aquagenic urticaria an intense skin reaction to

urticaria an intense skin reaction to

urticaria an intense skin reaction to water contend with this problem on a

water contend with this problem on a

water contend with this problem on a daily basis red itchy hives can emerge

daily basis red itchy hives can emerge

daily basis red itchy hives can emerge on the skin only minutes after exposure

on the skin only minutes after exposure

on the skin only minutes after exposure what’s more there’s no cure for

what’s more there’s no cure for

what’s more there’s no cure for aquagenic urticaria which is more likely

aquagenic urticaria which is more likely

aquagenic urticaria which is more likely to occur in women than men only

to occur in women than men only

to occur in women than men only antihistamine steroids radiation or

antihistamine steroids radiation or

antihistamine steroids radiation or medication offer limited comfort to

medication offer limited comfort to

medication offer limited comfort to those for whom every shower or hand

those for whom every shower or hand

those for whom every shower or hand washing session is a challenge do you

washing session is a challenge do you

washing session is a challenge do you agree with our pics check out these

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