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Genetic Conditions

Learn about genetic conditions

Genes determine what you inherit from your parents, from blood type and hair color to certain diseases. Changes in genes or chromosomes may cause health problems. We have hundreds of topics to answer your questions about genetic conditions. Maybe you're wondering about your baby's risk for disease or how to care for a child who has a genetic condition. Perhaps you're concerned about your own risk for a specific health problem. We can help.

Symptom Checker

Feeling under the weather?

Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.

Interactive Tools

Get started learning more about your health!

Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.

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