The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Meera, 52, thought she was done with periods forever. So when she noticed a few drops of blood one morning, months after her last cycl,e panic set in. Was it just hormonal chaos, or could it be ...

Erratic spotting and bleeding can continue for years during perimenopause. Once you haven’t had a period for 12 consecutive months — the clinical definition of the end of the menopausal transition — ...