I believe it is the nervous system but I'm not 100% sure
The answer is true. if you dont have a prescription for a medicine and you just buy all kinds of meds that you dont need or isnt prescribe by your doctor then it is consider as a drug abuse <span />
A common way for infectious diseases to spread is through the direct transfer of bacteria, viruses or other germs from one person to another.
Well, without medical care humans would literally die of so many infections and diseases, we would already be on the brink of extinction. Think of the Ebola outbreak, the black flu, Hiv's. Without the help of medical care, we would not be able to sufficiently prevent sickness.<span />