What are antibiotics? How do antibiotics help the body fight off infections?

How did we go from bloodletting and trepanation to C-sections and heart surgeries?

There are many reasons why a person would need surgery. What do surgical preparations look like versus post-operative care?

What illicit drugs were used as common medicinal medications in the past? How did anesthesia advance the field of medicine through surgery?

What was used in ancient times to protect wounds and prevent infection? How is beer and wine related to wound care?