Many conditions: Including anemia, poor diet, depression, overweight and obesity, side-effect of some drugs, gut bacterial dysbiosis (poor or inadequate gut bacteria), cancer to name a few.
Answered 4/30/2014
4.1k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
11 doctors weighed in across 2 answers
5 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question