Have you ever been to an "old graveyard" and noticed the ages of people when they died? They died in their 30s, 40s, the 60s was really really old. A lot of these people died with infections such as pneumonia. Many had wounds that would not heal also. However, there were many remedies that worked a little any way. Ginger root on the chest for coughing, barley in tea for infections of the skin, etc... The main problem with infection is spreading into the blood and then to other organs and cells. This is when you become septic and generally, without antibiotics, you will die. All medication comes from somewhere and a lot of healing meds that we use today come from plants. However, in the mass production of concentration in the medications, the meds of today work a whole lot better, as we can detect with the average age to live today is the middle 80s.