10 Blue Nails:
nails turn blue with lack of blood supply to them. So, this may be because of a weak heart or a lung disorder.
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Little Johnny and The new teacher
A new teacher was trying to make use of her psychology courses.
She started her class by saying, "Everyone who thinks they're stupid, stand up!"
After a few seconds, Little Johnny stood up.
The teacher said, "Do you think you're stupid, Little Johnny?"
"No, ma'am, but I hate to see you standing there all by yourself!"
11 Nails Falling Off:
inflammation in the nail bed is usually the cause of this. However, it may also be a sign of diabetes, thyroid malfunction, iron deficiency anemia or in rare cases, nail tumor.
12 Dimples:
psoriasis may cause the appearance of little slivers of blood on nails. It may destroy the nail completely in some cases. But this doesn't always get to nails.
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