There’s growing awareness of rare, but potentially serious side effects from mega doses of vitamin B6, a nutrient found in supplements and energy drinks.

Seven months after the U.S. began administering COVID-19 vaccines, the latest figures from the nonprofit Kaiser Family Foundation’s ongoing tracking poll show that 10 percent of adults are still ...

L-theanine is a popular supplement that can promote sleep and relaxation. Experts reveal the benefits and risks of taking it ...

Jillian Kubala, MS, is a registered dietitian based in Westhampton, NY. Jillian uses a unique and personalized approach to help her clients achieve optimal wellness through nutrition and lifestyle ...

Laurie Sepulveda is a MarketWatch Guides team senior writer who specializes in writing about insurance, investing, personal loans, home equity loans, mortgages and banking. She lives in North Carolina ...

Taking the medication mavacamten for HCM can reduce obstruction in your heart. Learn about its benefits, risks, and side effects.

TV and home video editor Ty Pendlebury joined CNET Australia in 2006, and moved to New York City to be a part of CNET in 2011. He tests, reviews and writes about the latest TVs and audio equipment.