Answer: Food safety is important for our health not to over eat and I've heard that if you're over weight you have less years of living. But I don't really think that happens in all cases.
Bacteria,viruses,fungi,and protozoa
Bacteria can be helpful
I know one is to get tested. Another could be to use protection that could prevent that kind of stuff. Then if you're already infected, you should tell your partner. And if you do sleep with your partner while infected, tell them to get tested.
Airborne
animal borne
food borne
sexually borne
blood borne