Stanford researchers identify two proteins that cause rare heart inflammation after COVID-19 vaccination, offering insights into myocarditis prevention.

New research reveals significant gaps between public perception and scientific evidence for medical cannabis benefits across most health conditions.

"Holiday heart syndrome" causes a spike in heart attacks during Christmas. Cardiologists share how stress, alcohol and overeating can trigger heart rhythms, and offer prevention tips.

Flu season intensifies as the new H3N2 variant causes severe illness worldwide. Experts urge vaccination, hand-washing and staying home when sick to prevent transmission.

Snow shoveling creates hidden heart strain similar to cardiac stress tests. Learn safer techniques and warning signs to protect your cardiovascular health.

Global omega-3 deficiency affects 76% of people worldwide, significantly increasing risks for heart disease, cognitive decline and chronic inflammation.

Discover why chronic lateness stems from psychology, ADHD and "time blindness." An expert reveals underlying causes and strategies to overcome persistent tardiness.

Amy Schumer reveals her dramatic 50-pound weight loss was due to life-threatening Cushing's syndrome. Here's what to know about the hormonal condition and its symptoms.

A U.K. man suffered a stroke after drinking eight energy drinks daily, doctors reported. High caffeine intake has been linked to dangerous blood pressure spikes and health risks.

The Fox News Health Newsletter brings you trending and important stories about healthcare, drug developments, mental health issues, real people's triumphs over medical struggles, and more.

Winter-weather comfort items such as scarves and blankets can cause skin breakouts if you're not careful. This season, here's what to choose for others or yourself.

A nationwide study revealed that insufficient sleep is second only to smoking in predicting shorter life expectancy across 3,000+ U.S. counties, researchers found.

Family coach criticizes Oprah Winfrey for addressing the estrangement crisis on "The Oprah Podcast" after allegedly promoting no-contact culture for decades.

Health officials warn of a preventable but potentially fatal lung disease linked to quartz countertops. Massachusetts reported its first silicosis case involved a stone worker.