The human microbiome is essential to our health, but scientists still know very little about it. Two researchers set out to map this largely uncharted terrain. Credit...Illustration by James Zucco ...

Issue is not about correct use of technology, it’s about lack of consistency in its use Egypt's midfielder Mostafa Ziko scores a goal after a previous one is disallowed by VAR during the match between ...

In the early hours of Independence Day, 2018, I found myself awake. I put it down to jet lag: I’d just returned from South Africa, where my wife—like me, a physician—and I were working with a medical ...

Body image is the thoughts, beliefs, and feelings you have about your body. It includes what you believe about your appearance and how you physically feel in your body. You might experience positive ...

You may see iron supplements at the pharmacy or hear your doctor mention iron in your blood test results. What exactly is iron, and what does it do in your body? Iron is a mineral that helps red blood ...

During a visit to Washington in the autumn of 1861, poet Julia Ward Howe attended a public parade and review of Union troops. On her way back to Willard's Hotel she found her carriage delayed by ...

Talking to yourself out loud is a common habit that can help you find things, stay focused, and work through difficult tasks or emotions. Self-talk may help boost motivation when you use second- or ...

Hormonal changes can affect the pH of body parts like your skin and vagina. An imbalanced vaginal pH can lead to infections like bacterial vaginosis and trichomoniasis. Avoiding douching and taking ...