Supplements Guide: Side Effects & Best Multivitamins

Vitamins and supplements like melatonin and fish oil offer health benefits but can cause side effects if misused. Learn about the impact of saw palmetto on blood pressure and find the best multivitamins for young women and adults over 50.

Fingernails and Vitamin Deficiencies

Published Jul,08 2011 | By Kathleen Northridge

The doctor will take the patient’s hands, but it’s not for comfort. The doctor is looking carefully, mostly at the fingernails, which can reveal a number of medical conditions, such as problems with the liver and kidneys. Fingernails can even indicate deficiencies in the diet.