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Health Highlights

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NIH Clinical Research Trials and You

Get involved in a clinical study to help researchers uncover better ways to treat, prevent, diagnose, and understand human disease.

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Seasonal Affective Disorder (SAD) Basics

Learn about symptoms, risk factors, and therapies for SAD, a type of depression that comes and goes with the seasons.

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FAQs about Pharmacogenomics

Your genes can determine your height, hair, and eye color. They can also play a role in how you respond to medicines—a field known as pharmacogenomics.

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Make a Healthier Home

What’s in your household goods and products? Becoming aware of potentially harmful substances and clearing them out can help keep you and your family healthy.

Featured Tools

Body Weight Planner — This tool can help you make personalized calorie and physical activity plans to reach a goal weight within a specific time period and to maintain it afterward. It’s based on a mathematical model developed by NIH researchers

A screenshot of the Body Weight Planner website.