Researchers are still trying to understand why some people develop Long COVID: lasting symptoms of the disease that can ...

A major clinical trial has delivered an unexpected twist in the search for ways to fight COVID-19 and its lingering effects. Researchers at Mass General Brigham found that taking high doses of vitamin ...

Plus, how to up your intake.

Supplementation does not change four-week cumulative incidence of health care utilization among adults with newly diagnosed COVID-19.

Medically reviewed by Lindsay Cook, PharmD Key Takeaways About 14% of people developed a vitamin D deficiency after one year ...

A. A study in the New England Journal of Medicine (July 28, 2022) revealed that middle-aged people taking supplements of vitamin D3 (2,000 IU daily) did not have a lower likelihood of fractures in a ...

According to a study published by Annals of Internal Medicine, vitamin D and calcium supplements might reduce risk of death from cancer but increase the risk of death from heart disease. Here’s ...

Overdoing it on this popular supplement can lead to a host of serious health issues, which one man learned the hard way. Per a study published in the journal BMJ Case Reports, the unidentified ...

DEAR READERS: As promised in a recent column, I am offering some insights about vitamin D. For a brilliant review of the evolution of life on Earth and our dependence on vitamin D, read this post from ...

A comprehensive study of older adults in Swedish nursing homes found no connection between vitamin D deficiency and persistent nonspecific symptoms, including confusion, restlessness, fatigue, ...

Taking vitamin C and D together boosts your immune system and supports bone health. Both vitamins may enhance wound healing and prevent infections.

Vitamin D and calcium supplementation may reduce risk of cancer but increase risk of cardiovascular disease, new study shows. The study, which looked at postmenopausal women, showed that the ...