[Free Registration/Login Required] An informational text about steroid use in Major League Baseball. A question sheet is available to help students build skills in reading comprehension.

Brief biography of the scientist who is recognized for determining organic molecular structure and the synthesis of many steroids.

Learn interesting facts about the four types of lipids: fats, phospholipids, steroids, and waxes.

It's hard enough to weigh something as itty bitty as atoms or molecules. Factor in that they're careening by faster than Jeff Gordon on steroids, and you get an idea what scientists are up against. Using comet particles from NASA's...

An article that discusses the structure and function of lipids. Learn the basics of fats, oils, saturated and unsaturated fats, triglycerides, phospholipids, and steroids.

[Free Registration/Login may be required to access all resource tools.] In the following online lesson students will learn to explain how hormones work by binding to receptors of target cells.

Get the facts on the use and abuse of performance enhancing substances in sports. Includes toolkits, contest information, fact sheets, and other resources.

Website dedicated to controversial issues explores the topic of performance enhancing drugs and asks whether they should be accepted in sports.

[Free Registration/Login may be required to access all resource tools.] This lesson covers the structure and functions of lipids and the different types.

This site from the National Institutes of Health Clinical Center provides great information on vitamin D. Answers several questions about the vitamin, such as what is, what are the sources of it, recommended dietary allowance, and when...

A great resource on Vitamin D can be found here! Read about what it is, its sources, the recommend intake, Vitamin D deficiency, people who may need extra Vitamin D to prevent deficiencies, and health risks associated with too much...

Article looks at different types of receptors and ligands, seeing how they interact to turn information from outside the cell into a change inside the cell.

This site from WebMD Health provides an article entitled, "Something in the Air: Airborne Allergens". Includes detailed information on why some people are allergic to certain substances, while others are not. Symptoms of airborne...

Detailed information about individual drugs. Targets students, parents, teachers, law enforcement officials, and health professionals.

This site contains information on a baseball/softball training camp. Read up on the style of the training and how it has been successful in the past.

Specific drugs and drug related issues are defined and discussed on this page, which also contains several downloadable publications.

Easy-to-understand notes and large graphics on the endocrine system include the evolution of the endocrine system and feedback cycles. Hormones and the nervous system are also discussed.

Lipids are defined. Chemical structures are used to demonstrate that fats and oils store energy.

This site provides a list of links to information on different types of drugs. Content on the pages include information about the drug itself, effects the drug has on the brain, common street names for the drug, and legal status.

This comprehensive website covers many drugs, legal and otherwise, that teens may encounter. Find out the various names used, the effects, and much other information teens need and want to know about drugs.

The Drug Enforcement Administration website provides several sections of information designed to help teenagers and parents to get the facts about drugs in our society.

[Free Registration/Login may be required to access all resource tools.] How hormones work by binding to receptors of target cells.

A five-question post test over the endocrine system. After students submit answers, they can review their results.

A comprehensive approach to the endocrine system, broken down by gland and complete with bold-face vocabulary terms. A perfect supplement to classroom notes and activities.