The answer is B. Melanoma
Melanocytes cells create a brown pigment called melanin and actually melanin protect deeper layer of the sins from the harmful effect of the sun
But for some people, prolonged exposure to the sun make melanocytes create an uncontrollable amount of pigment and create cancer
I mean if you consider death as a benefit..... then there you go
Aspirin or also known as acetylsalicylic acid (ASA) is a widely used drug as a pain reliever for minor aches and pains and to reduce fever. Aspirin is an over-the-counter analgesic. Available oral nonprescription analgesics include acetaminophen, non-steroidal anti-inflammatory drugs (NSAIDs) (ibuprofen and naproxen), and salicylates (aspirin, magnesium salicylate, and sodium salicylate).
Blood goes around and helps everything works. Digestive stuff gives some nutrients from food to blood.