but smoke isn’t the only hazard here our hearing is under threat – from loud
hearing is under threat – from loud
hearing is under threat – from loud noise
the problem is deep inside the ear the
the problem is deep inside the ear the fragile sensory hairs in the cochlea or
fragile sensory hairs in the cochlea or
fragile sensory hairs in the cochlea or stereocilia turn sound into nerve
stereocilia turn sound into nerve
stereocilia turn sound into nerve impulses loud noise destroys these
impulses loud noise destroys these
impulses loud noise destroys these irreplaceable cells
the hairs that respond to high
the hairs that respond to high frequencies are most affected
frequencies are most affected
frequencies are most affected maybe because high-pitched sounds shake
maybe because high-pitched sounds shake
maybe because high-pitched sounds shake their foundations more violently the
their foundations more violently the
their foundations more violently the effect is too small to notice
but the frequency range of our hearing
but the frequency range of our hearing is already shrinking
as we absorb alcohol into our
as we absorb alcohol into our bloodstream it affects both our organs
bloodstream it affects both our organs
bloodstream it affects both our organs and our state of mind it raises our
and our state of mind it raises our
and our state of mind it raises our blood pressure and makes our heartbeat
blood pressure and makes our heartbeat
blood pressure and makes our heartbeat irregular we relax lose our inhibitions
irregular we relax lose our inhibitions
irregular we relax lose our inhibitions and our coordination
these symptoms are a consequence of
these symptoms are a consequence of chemical reactions in the brain
chemical reactions in the brain
chemical reactions in the brain especially in this region the cerebellum
it controls coordination and balance
it controls coordination and balance when we drink alcohol affects the
when we drink alcohol affects the
when we drink alcohol affects the cerebellums brain cells
some synapses accept the signal more
some synapses accept the signal more frequently
others become totally blocked the more
others become totally blocked the more we drink the more extremely effect
it may feel good now but there will be a
it may feel good now but there will be a price to pay later
price to pay later
price to pay later [Music]
after a party
after a party it’s our livers that clean up the mess
it’s our livers that clean up the mess
it’s our livers that clean up the mess the liver is the body’s biochemical
the liver is the body’s biochemical
the liver is the body’s biochemical control center it performs more than 500
control center it performs more than 500
control center it performs more than 500 functions one of them is to convert
functions one of them is to convert
functions one of them is to convert poisons like alcohol into harmless
poisons like alcohol into harmless
poisons like alcohol into harmless chemicals the process requires water and
chemicals the process requires water and
chemicals the process requires water and the liver doesn’t care where it takes it
the liver doesn’t care where it takes it
the liver doesn’t care where it takes it from usually it’s the brain that suffers
from usually it’s the brain that suffers
from usually it’s the brain that suffers most since it is 70% water water and
most since it is 70% water water and
most since it is 70% water water and essential salts are sucked from the
essential salts are sucked from the
essential salts are sucked from the brain and it shrinks away from the skull
brain and it shrinks away from the skull
brain and it shrinks away from the skull we experience a very particular kind
we experience a very particular kind
we experience a very particular kind pathetic a hangover
pathetic a hangover
pathetic a hangover [Music]
[Music]
[Music] you
you
you [Music]
”
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