Early morning light can support your health and sleep cycle by helping the body’s internal clock sync with the outside world, ...

The best time to take zinc varies, and largely depends on a person’s goals, preferences, or other medications and supplements they take.

From waking up when it’s still dark to fighting off lurgies and simply spending more time indoors, many of us feel more tired ...

Dear L.M.: Overdosing on vitamin D is dangerous. Last month, I had a patient who had elevated levels of calcium, which caused ...