The metabolite cotinine may be amplifying, or contributing to, the addictive properties of nicotine, researchers report.
A new study links prenatal smoking with a significantly increased risk of a child developing ADHD later in life. The study found higher cotinine levels in the mother's blood during pregnancy increased the risk of her child being diagnosed with ADHD three fold.
A new study reports nicotine's primary metabolite supports memory and learning by amplifying the action of a primary chemical messenger in both.
