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Know 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

Take our module on making sense of health research

How To Make Sense of a Scientific Journal Article

Understanding the basics of scientific studies to help you make better health decisions.

Take our module on understanding health news

The Facts About Health News Stories

Find out how to tell if a news story is reliable or has missing, misleading, or conflicting information.

Take our module on understanding herb-drug interactions

How Medications and Supplements Can Interact

Find out if the drugs and supplements you take may interact in a harmful way.

Take this 6-question quiz

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

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

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

Finding and Evaluating Online Resources on Complementary Health Approaches

Find out how to tell whether websites and apps are trustworthy.

Know, Discover, Get Informed: Videos

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