Paraxanthine, a compound the body naturally produces when it breaks down caffeine, is starting to appear in energy drinks and ...

Kratom is becoming more common in the U.S., but a national study says only around 19% of adults are aware of what kratom is.

Add Yahoo as a preferred source to see more of our stories on Google. Mitra9 says that its drinks can improve your mood and boost your energy. They contain kratom, an herbal supplement that's banned ...

Caffeine is an essential part of many people’s daily routines. Whether in the form of a morning cup of coffee, an afternoon pick-me-up or a soda with dinner, caffeine is a widely consumed stimulant ...

At gas stations, liquor stores, and smoke shops, products containing kratom—an herbal substance—are readily sold alongside energy drinks and gum. These kratom drinks, capsules, gummies, and powders ...

In the past decade, kratom has shown up in hundreds of autopsies conducted by North Carolina's Office of the Chief Medical Examiner. The substance, which is sold over the counter in gas stations and ...

The February 2012 issue of the American Journal of Psychiatry contains several articles about the use of stimulants and other aspects of attention-deficit ...

Opioids and stimulants are distinct drug classes: opioids are pain relievers that depress the nervous system, while stimulants increase alertness and energy levels. Opioids act as potent pain ...