Some are: pathogenic and cause illness. Other's make up part of our normal flora and their absence would cause medical problems (such as an antibiotic stripping out healthy strains of bacteria from the gut).
Answered 6/8/2017
665 views
A doctor has provided 1 answer
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