A daily high-dose vitamin B6 supplement could significantly reduce symptoms of depression in people who already experience them, new research from the University of Reading in the UK has found.

A daily 20-milligram dose of zinc reduced infections by nearly 40 percent among Ugandan children younger than 5 with sickle cell anemia, according to new research led by scientists at the Indiana University School of Medicine and their study partners in Uganda.

With more than 7 million Americans living with Alzheimer's dementia – a number projected to reach nearly 13 million by 2050 – new Emory University research suggests that higher vitamin D supplement intake may be associated with better cognitive function in adults at elevated risk of dementia.