Harvard Health Content API

Tardive dyskinesia (TD) is a condition marked by involuntary movements of the face or limbs, caused by long-term use of certain drugs, many of which are for mental health conditions. An ad for a once-daily drug to treat TD leaves some important questions unanswered.

Eye drops that claim to change a person’s eye color are being promoted online, and the ability to do this may sound tempting. But are these products safe? The answer is a hard no according to the American Academy of Ophthalmology.