When you press, twist, squeeze, or pull on your fingers, you get that satisfying crack sound. For some people it’s a force of habit, others just like the feeling. Whether you just wince at the...
Nail discolouration can signal disease. Abnormally white fingernails may be due to anemia or kidney problems, deep blue nail beds signal pulmonary obstruction or emphysema, and yellow nails, while...
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