>> If you swallow gum,
it can stay in your stomach
for months, or even years.
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And that's not true.
[laughs]
>> I was told that, too,
and I told my own daughter that!
No, it's not true.
[laughs]
But it works for childhood
manipulation.
>> Cracking your knuckles
leads to arthritis.
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>> I'm gonna say yes.
>> My parents told me,
don't crack your knuckles.
You're going to damage
your knuckles.
They're gonna get bigger.
But really, what that crack,
and you know...
[cracks knuckles]
What that crack or that pop is,
is it's just small, little
gas bubbles, or nitrogen bubbles
being released
from your joint capsule.
Does it cause problems,
arthritis, enlarged joints?
No, it doesn't.
>> I can't believe that!
>> Eating turkey makes you
drowsy.
That's a really fun one.
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>> True! Tryptophan!
>> Yes!
I have heard that,
and yes, I believe that's true.
>> It really doesn't.
>> I'm sticking with my answer,
yes.
>> That's one that we just
believed.
A hundred percent of the people
that I talk to believe that,
because they've never
looked at the literature.
>> I learned something new
today.
>> Drinking coffee will
sober you up more quickly
after a night of drinking.
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>> I recommend it,
but no, that's not true.
>> Sit ups make your stomach
flatter.
>> True.
>> That doesn't really hold up.
>> False?
>> Doing abdominal exericises,
sit ups, and crunches, and those
types of things certainly can
tone and firm your muscles, but
unless you lose the fat that's
covering those muscles, it will
do absolutely nothing
to change your appearance.
So, doing sit ups won't make
your stomach flatter.
>> Keep trying.
>> Hostess Twinkies have a shelf
life of just over two years.
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>> I would guess yes.
>> They don't.
But I used to teach that
in my classes!