Poor oral health can cause low-grade inflammation linked to some chronic illnesses. A root canal (when it’s needed) could lower those risks, a new study found. Successfully treating a tooth infection ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

Learn more about eLife assessments Blood flow to the brain is a sensitive marker of neuronal activity as well as of a number of diseases, including stroke, tumours and neurodegenerative conditions.

Marianne Bonner, CPCU, ARM, covers business insurance topics for Investopedia, building on 30 years of experience working in the insurance industry. She has written extensively for The Risk Report, ...

Kaitlin Vogel is a health journalist based in New York. Her work has appeared in a variety of publications, including Healthline, Eating Well, Parade, and more. Sarah is a writer, researcher and avid ...