You are being provided with a book chapter by chapter. I will request you to read the book for me after each chapter. After reading the chapter, 1. shorten the chapter to no less than 300 words and no more than 400 words. 2. Do not change the name, address, or any important nouns in the chapter. 3. Do not translate the original language. 4. Keep the same style as the original chapter, keep it consistent throughout the chapter. Your reply must comply with all four requirements, or it’s invalid.
I will provide the chapter now.

TRY SAYING POLYDACTYLY TWICE
 
 
            If you think you’re a zombie, then there’s a good chance you have
Cotard’s delusion. The mental disease makes the afflicted think
they’re dead, or undead. They often pass away due to a lack of food
and water as they don’t think they need to eat as they are already
dead.
 
            Urticaria is a scientific term for a type of hive or skin rash. Most
urticarias are caused by allergies.
 
       Fregoli delusion is a rare psychological disorder where those afflicted
with it believe they keep seeing the same person in different places.
For example, a Fregoli sufferer may see his father’s face on people
who are clearly not his father.
 
            People who experience panic attacks often think they’re going to
faint, but blood pressure raises during a panic attack, while fainting is
usually caused by a sudden drop in blood pressure.
 
            Polydactyly is a condition where a person is born with extra toes or
fingers. Former Mexican President Vicente Fox has polydactylism,
with six toes on each foot.
 
            Necrotizing fasciitis is a bacterial infection that kills a body’s skin
and other soft tissues. It usually happens after a wound becomes
infected and is then left untreated.
 
       A person who breaks out in hives from contact with water probably
has aquagenic urticaria. A person with this affliction can drink water,
but any external contact creates hives.
 
            Up to 20% of the American population may be allergic to the
chemical nickel. This could be big considering that nickel is a major
component in smartphones.
 
            The fear of long words is known as
hippopotomonstrosesquipedaliophobia . I don’t see how that long
name helps those with this phobia, do you?
 
            Have you ever heard a gunshot as you were about to fall asleep? If
so, you may have experienced exploding head syndrome (EHS).
 
       No pain no gain? Not if you suffer from congenital analgesia. Those
with this rare genetic condition sense none or very little pain.
 
            If your urine has suddenly turned purple, you may have porphyria.
Porphyria is a rare liver disorder that causes toxins called porphyrins
to accumulate in the body.
 
       Progeria is a genetic disease that causes children to age seven times
faster than normal. Children with progeria lose all their body fat and
their hair, develop wrinkles, and usually die in their teens.
 
            From 1941 to 2009, there were 62 recorded cases of foreign accent
syndrome. A person with this condition begins speaking in a foreign
accent, usually after a traumatic head injury.
 
            If you’ve noticed that your girlfriend smells a little fishy, she may
have trimethylaminuria. This happens when a person’s body stores
too much trimethylamine, causing a fishy odor.
 
            Your constantly out of work brother-in-law may not be lazy. He
could just be suffering from ergophobia or the fear of work!
 
            About 1.3% of the population will experience pityriasis rosea at
some point in their lives. It creates a rash over the torso, arms, and
legs that last for up to three months. The causes of herpes related
viruses are unknown.
 
            Alaskans, Canadians, Russians, and Minnesotans may love winter,
but for some it’s deadly. People with cold urticaria can die if they are
exposed to cold air for too long.
 
       In rare cases, insomnia can be fatal. Fatal familial insomnia begins as
a normal case of insomnia but quickly progresses to dementia and
then death.
 
            If you feel the urge to eat dirt, paint, or even feces, then you may
have pica. Pica is the urge to eat uneatable things and although rare
overall, 28-68% of all pregnant women experience it.
 
       Noma is a rare infection of the mouth and face that’s found primarily
in the developing world. It’s caused by poor sanitation, hygiene, and
diet.
 
       The next time you think about putting glitter on before a date, make
sure he or she isn’t allergic to mica. Most glitter is made from mica,
which is also an allergen to some people.