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Ngày đăng: 05/08/2016

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Many of us have bad habits like biting our nails or cracking our
knuckles. But why exactly do we do it? Why Can't Some People Stop
Fidgeting? ►►►► http://bit.ly/20IaVMW Sign Up For The TestTube
Newsletter Here ►►►► http://bit.ly/1myXbFG Read More: Real-Time
Visualization of Joint Cavitation
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0119470
"Cracking sounds emitted from human synovial joints have been
attributed historically to the sudden collapse of a cavitation bubble
formed as articular surfaces are separated. Unfortunately, bubble
collapse as the source of joint cracking is inconsistent with many
physical phenomena that define the joint cracking phenomenon. Here we
present direct evidence from real-time magnetic resonance imaging that
the mechanism of joint cracking is related to cavity formation rather
than bubble collapse." Nail Biting: Mental Disorder Or Just A Bad
Habit?
http://www.npr.org/sections/health-shots/2012/10/01/161766321/nail-biting-mental-disorder-or-just-a-bad-habit
"Do you bite your nails? For 30 years, I did. We nail biters can be
"pathological groomers" - people for whom normal grooming
behaviors, like skin picking or hair pulling, have become virtually
uncontrollable. But psychiatry is changing the way it thinks about
pathological grooming, and these changes will be reflected in the
American Psychiatric Association's Diagnostic and Statistical Manual of
Mental Disorders." Onychophagia (Nail biting), anxiety, and
malocclusion
http://www.ijdr.in/article.asp?issn=0970-9290;year=2012;volume=23;issue=5;spage=680;epage=682;aulast=Sachan
"Nail biting is a stress removing habit adopted by many children
and adults. People usually do it when they are nervous, stressed,
hungry, or bored. All of these situations are having a common phenomenon
between them is anxiety. Onychophagia is also a sign of other emotional
or mental disorders." ____________________ DNews is dedicated to
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