Unclear & largely: unknown. There are too many variables. While damage is more likely, they may be also some protective effects. Yet who is going to do and pay for the fantastic complexity involved in doing prospective, double-blinded, placebo-controlled trials on a large enough group of individuals over many, many years to find out?
Answered 2/12/2016
1.6k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
3 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