New research reveals that a vitamin found in common foods may influence how often people go to the bathroom, according to a study of over 268,000 people.

Bunnie XO shares her harrowing experience with an experimental weight-loss drug, describing severe depression and suicidal thoughts during treatment.

Medical experts debunk flu shot myths: vaccines use inactive virus that cannot cause illness. Discover what side effects actually mean for your immunity.

A cell phone radiation health study has been launched by the HHS to investigate whether electromagnetic radiation from phones and cell towers could harm Americans.

A lung infection linked to bird and bat droppings has sickened dozens in Tennessee, prompting a state investigation into a possible fatal case.

Researchers find that minor improvements to sleep patterns, physical activity and diet quality can significantly extend lifespan and healthy years in new study.

Airline water safety concerns are revealed in a new study of 35,000 samples. Experts recommend bottled water and hand sanitizer over tap water when flying.

A Vitamin A byproduct could weaken the immune system's cancer-fighting ability, according to new Princeton University research.

A new study reveals stopping GLP-1 weight loss drugs leads to rapid weight regain, nearly four times faster than quitting diet or exercise programs alone.

Measles outbreak reaches Clemson University as South Carolina reports 558 confirmed cases. Student isolated as health officials conduct contact tracing.

Fitness decline starts at 35, not old age, according to a groundbreaking 47-year study. Swedish researchers tracked people since 1971 to make this discovery.

Dr. Mark Hyman shares why there's no one-size-fits-all diet approach. Learn the difference between real food and "food-like substances" for optimal health.

Dr. Mark Hyman shares why there's no one-size-fits-all diet approach. Learn the difference between real food and "food-like substances" for optimal health.

A new psychology book reveals that procrastination and nail-biting aren't just bad habits — they're actually survival strategies your brain uses to protect you.