The main ingredient in aspirin, salicin, is the oldest pain reliever in history, but it took time and science before it became the drug we recognize today.
People are generally aware of the most common causes of hallucinations, like schizophrenia and a really high fever. But lesser known are the more rare causes; here are six you probably haven't heard about.
The main ingredient in aspirin, salicin, is the oldest pain reliever in history, but it took time and science before it became the drug we recognize today.