I'd likely be dead if it were not for modern medical advacnes.
Most of my family would likely be sick if not for eating properly,taking supplements,exercising regularly,drinking pure water and getting plenty of fresh air and sunshine.
All that + not hiding from people! I have an immune system because I am regularly exposed to lots of people...and germs
Those are the best preventatives going.
It would be curious to know how many people follow rte and ready_on_the_right's prescription to good health.
If everyone did this big Pharma would be out of business real quick. Heck, most of the medical profession would be gone too.
