Low vitamin D levels can cause muscle weakness, cramps and bone pain. You'll generally feel muscle weakness in your upper ...

A new book by Professor Luigi Fontana with recipes from Healthy Longevity Chef Marzio Lanzini at the University of Sydney's ...

If you regularly feel fatigued or weak, you may have an iron deficiency. Here are some common symptoms, causes and ways to ...

Compared with usual care, a mid-trimester blood test designed to predict preterm birth for average-risk women markedly ...

Loss to follow-up higher among men who are Black or Hispanic, or those who must travel farther to care facilities.