Skip Navigation
Department of Health and Human Services www.hhs.gov

Explore Your Treatment Options: Glossary

Hypothesis

A scientific idea that can be tested in a research study. The hypothesis is the scientific idea that led to the research study.

For example, the National Institutes of Health (NIH) sponsored a large study that tested the hypothesis that the combination of glucosamine and chondroitin brings better pain relief for people with arthritis of the knee than other common treatments for arthritis.

Get your health priorities tool

What does your doctor need to know in order to help maintain your quality of life?

Find Out Here

Patient guides by health condition

Get important information about cancer, diabetes, high blood pressure, and more. See the guides.

Patient guides by health condition

Visit the full Effective Health Care Program site

Go