There is a surgical practice of medicine and there is a medical practice of medicine. Medicines are poisons which when taken in a small amount help you get the benefit of the poison. Taken in a larger amount, all medicines can kill you. Also, medicines have a purpose and a use along with interactions with other chemicals in your blood and many medicines need proper organ function else you get overdosed - example your kidneys need to be working well for you to be able to pee out certain antibiotics like Levaquin. Else the levels will build up and cause toxicity or poisoning.
Our immune systems have improved over the years due to improvements in the medical fields. I also believe your brain has a bigger effect on how sick you actually allow yourself to become
