4. Nail Clubbing
If you see nails gradually growing wider and curving around the end of the finger you may be looking a low blood oxygen and a sign of lung disease. Clubbing might also be a symptom of with inflammatory bowel disease, cardiovascular or liver disease, and AIDS.
Sometimes you’ll see pseudo-clubbing in people of African descent or it can be genetic. Clubbing on one hand only can be a sign of an aneurism. Since clubbing is associated with some serious conditions, have it checked out.