An official website of the United States governmentKnow the Science
Why is it important to know the science of health? Simply put, because there is a lot of misinformation out there—from anecdotes disguised as evidence to excessive claims made by supplement manufacturers to TV doctors touting the latest "miracle cure."
On this page you'll find tools to help you better understand complex scientific topics that relate to health research so that you can be discerning about what you hear and read and make well-informed decisions about your health. Know the Science features a variety of materials including interactive modules, quizzes, and videos to provide engaging, straightforward content. Learn more about how the Know the Science initiative got started.
So, what are you waiting for? Dive in, and get to know the science.
Know the Science is now available in Spanish!
Know the Science Tools
How To Make Sense of a Scientific Journal Article
Understanding the basics of scientific studies to help you make better health decisions.
The Facts About Health News Stories
Find out how to tell if a news story is reliable or has missing, misleading, or conflicting information.
How Medications and Supplements Can Interact
Find out if the drugs and supplements you take may interact in a harmful way.
6 Commonly Misunderstood Words About Complementary Health Approaches
Do you know the difference between holistic and homeopathic? Take this 6-question quiz to find out.
Natural Doesn’t Necessarily Mean Safer or Better
Understanding what “natural” means can help you choose health products wisely.
How To Find Information About Complementary Health Approaches
Learn to use PubMed® to search for scientific publications on complementary health.
Finding and Evaluating Online Resources on Complementary Health Approaches
Explore these four modules to find out how to tell whether websites, social media sites, and apps are trustworthy.
Know, Discover, Get Informed: Videos
Know More
- Understanding Clinical Studies (NIH)
- Making Sense of Your Health Risks (NIH) (221KB PDF)
- Antibiotic Resistance (CDC)
- Dietary Supplement Ads (FTC)