Opium use for pain relief has a long history. People started using opium around 3500 B.C. Through the ages, it’s been known as a universal cure-all. In 1803, morphine was isolated from opium, making ...

Experiencing endometriosis pain on the right side may indicate which structures are affected by the condition, and provide diagnostic clues. Share on Pinterest Liubomyr Vorona/Getty Images ...

Causes of a sore throat on one side includes the flu, tonsillitis, a canker sore, or a tumor. Look out for other symptoms to help you identify what's causing your sore throat on one side. If you're ...