Please provide your email address to receive an email when new articles are posted on . LOS ANGELES — Medications, supplements, excessive iodine intake and other exogenous substances including ...

That vitamin bottle on your kitchen counter promising improved energy, stronger immunity, or enhanced performance might hide an uncomfortable truth – many popular supplements can damage your kidneys ...

In recent years, nootropics, also called smart drugs, have gained popularity among people looking to improve their mental performance. Acetylcholine is a neurotransmitter, or brain chemical, that ...