Medical pros revisit the 150-year history of coffee enemas to weigh their potential benefits and hidden dangers.

Notable alkaloids include caffeine, quinine, cocaine, and morphine, all of which have important medicinal qualities, and strychnine, which in excessive or continuous dosages can be poisonous.

Some ergot alkaloid products add caffeine to help your body absorb the medicine better. This can help the drug start to work more quickly. Other ergot alkaloids include an antihistamine like ...

One of the most notable chemicals in coffee is caffeine, which is chemically known as 1,3,7-trimethylxanthine. This alkaloid, naturally found in coffee beans, stimulates the central nervous system ...

Dietary supplements that contain ephedra alkaloids (sometimes called ma huang) are widely promoted and used in the United States as a means of losing weight and increasing energy. In the light of ...

Classified as an alkaloid—a group of nitrogen-containing compounds that includes caffeine, nicotine, and morphine—berberine has been a staple in traditional Chinese medicine (TCM) for over 400 ...

Recent research suggests caffeine has a wide variety of health benefits. There are, however, some negative side effects to still keep in mind. Each day, billions of people rely on caffeine to wake ...