High TSH levels usually mean the thyroid is underactive, which is called hypothyroidism. TSH levels can change due to factors like age, sex, and pregnancy. TSH influences thyroid hormones that control ...

Divers found a 3,000-year-old statue at the bottom of a lake—with fresh human fingerprints Federal Reserve cuts interest rates in divisive vote Ford workers told their CEO ‘none of the young people ...

Researchers have found a way to control protein levels inside different tissues of a whole, living animal for the first time. The method lets scientists dial protein levels up or down with great ...

Objectives We systemically reviewed the literature to assess how long-term testosterone suppressing gender-affirming hormone therapy influenced lean body mass (LBM), muscular area, muscular strength ...

Skip to the facts on your irregular heartbeat. Find out what happens to your heart and if it’s serious. 67 Your heart is wired to beat up to 100,000 times a day.