Saliva worthless: Saliva has no test value. The human body needs almost all types of vitamins and all can be obtained in more than adequate quantities through a balanced diet.
Answered 10/7/2016
4.4k views
5 doctors weighed in across 2 answers
10 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question