Minor mystery: All we know is that it is not related to lifestyle or hygiene, and that diet's role is at best minor. I suspect individual susceptibility has to do with the fact that no two people's immune system (even identical twins) is alike -- it's a natural variability that's characteristic of humankind.
Answered 6/24/2013
5k views
4 doctors weighed in across 3 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
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