People with aphantasia have no mental imagery—and they’re offering brain scientists a window into consciousness ...
While vitamin C is essential for health, high doses can cause serious side effects. Learn the risks and how to use it safely, based on research.
People with Tourette’s experience uncomfortable physical sensations that build up in the body and come out as ‘tics’.
Reflecting this, MSG is labeled “generally recognized as safe” (GRAS) by the FDA. Yes, “you can experience side effects like headache if you consume too much MSG, but this seems to be rare,” Dr. Alan ...
The compounds have exploded in popularity, but big questions about safety and effectiveness are still unresolved.
Learn how caffeine affects brain chemicals and health, sleep, and mood. Understand safe daily limits, hidden sources, and signs you’re getting too much.