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Health Highlights

Weather Extremes

Discover how extreme temperatures affect the body and get tips on how to protect yourself during the summer and winter months.

Hepatitis

Hepatitis is an infection that causes liver inflammation and damage. Learn about the causes, symptoms, treatments, and prevention of hepatitis.

Lung Cancer Screening

Lung cancer screening can lower the risk of dying from lung cancer. Find out about tests to detect lung cancer and their potential benefits and harms.

When Blood Vessels Grow Awry

Blood vessels allow blood to carry oxygen and nutrients throughout the body. When blood vessels form abnormally, they can cause serious problems.

Featured Tools

Your Healthiest Self: Wellness Toolkits — Your relationships, your emotions, your surroundings, and other aspects of your life impact your overall health. Find ways to improve your well-being with NIH's wellness toolkits.