Dec. 13, 2025 A decade-long study of older women found that tea drinkers had slightly stronger bones, while moderate coffee drinking caused no harm. Heavy coffee intake—over five cups a day—was linked ...

Vitamin D3 helps keep your bones strong and healthy by boosting calcium and phosphate absorption. Vitamin D3 boosts your immune system to fight off infections. Low vitamin D levels can make you feel ...

Saturday seemed gray in D.C., but the sunset was brilliant, with a long strip of fiery orange jutting upward from the horizon.

A 25-hydroxyvitamin D test checks if your body has too much or too little vitamin D. The test involves a simple blood draw, and you don't need to fast beforehand. Risks from the test are rare but ...