How AIDS Works - AIDS is one of the deadliest human diseases ever, killing millions of people each year. Learn more about how this virus attacks the body.
How Anesthesia Works - Learn all about what happens while you are sleeping through surgery!
How Anthrax Works - Biological warfare has made it to the U.S. in the form of anthrax. Understand how the anthrax bacteria is acquired and how it affects the body.
How Artificial Hearts Work - The world waits as the latest artificial-heart-transplant patient recovers. Discover how this new medical advance is saving lives.
How Becoming a Doctor Works - If you have ever wondered what it takes to become a doctor, then this article will amaze you!
How Botox Works - Botox injections are being used to erase the wrinkles of time. Some say poison, some say remedy. Find out what Botox is and how it's related to botulism.
How Calories Work - At any given time, millions of people are trying to slim down. Learn all about calories and exactly how (and why) they affect your weight.
How Cancer Vaccines Will Work - Over the next several years, cancer vaccines have the potential to completely change the treatment of cancer. Learn how these vaccines will work!
How Cancer Works - Cancer is one of the world's most dreaded diseases -- understand this silent killer and the steps you can take to limit your exposure.
How CAT Scans Work - CAT scans take X-ray imaging to a whole new level. Find out how a CAT scan machine uses "slices" to form a 3-D computer model of a patient's insides.
How Cavities and Fillings Work - Ever wonder how it is that something as incredibly hard as a tooth can get a hole in it? Learn how cavities form and how dentists create fillings to rebuild teeth! Then learn how to prevent cavities in the first place! PLUS - learn cool dental jargon so you know what your dentist is saying behind your back!
How Cipro Works - Ciprofloxacin is a drug used to treat people exposed to anthrax. Learn how this medicine works against the anthrax bacteria.
How Corrective Lenses Work - Eyeglasses are one of the most common sights in the world. Learn what goes into creating the lenses and how to read an eyeglass prescription.
How CPR Works - CPR, or cardiopulmonary resuscitation, is an emergency technique that you can use to save a friend's life. Learn how CPR works!
How Diabetes Works - In the U.S. alone, 16 million people have diabetes -- and about a third don't even know it. Find out some information you just may need.
How Diagnosing Heart Disease Works - Learn how your doctor determines what is going on inside your heart!
How Dieting Works - Dieting is a multibillion dollar industry in the United States, but it doesn't work for most people. Learn why gaining weight is so easy and how you can control it!
How Emergency Rooms Work - Learn about the fascinating world of emergency rooms!
How Fat Cells Work - Have you ever wondered how your body stores those excess calories as fat in fat cells? Learn about this amazing process!
How Heart Attacks and Angina Work - Heart disease is a major cause of death in the U.S. Learn all about how heart attacks and agina work so you can avoid them!
How Human Cloning Will Work - Learn who plans on cloning humans, why they want to and about the controversies surrounding it.
How Humidifiers Work - Does your throat feel like sandpaper when you wake up? It could be the ultra-low humidity. Find out how humidifiers moisten the air!
How Hypnosis Works - Skeptic or believer, hypnosis is a pretty interesting phenomenon. Check it out -- and let us know if you start to bark like a dog.
How LASIK Works Lots of people are trading in glasses and contacts for more permanent vision correction. Find out if you're a candidate for LASIK!
How Mad Cow Disease Works - Mad cow disease has been in the news a lot lately, and it is unnerving to think that something you eat could affect your brain. See how it works.
How MRI Works - The magnetic field used in MRI could suck a metal watch right off your wrist and into the machine. Learn what MRI is, what it's used for and just how powerful those magnets are.
How Nanotechnology Will Work - Nanotechnology will likely be the next industrial revolution. Find out how the world will be building with atoms -- literally, one by one by one...
How Nicotine Works - Nicotine, like caffeine, is a drug used by millions of people. Find out how nicotine affects the human body and what makes it so addictive.
How Nuclear Medicine Works - Nuclear materials get used in many forms of nuclear medicine -- everything from PET scans to chemotherapy uses them! Learn how nuclear medicine works!
How Organ Transplants Work - Today, organ transplants are relatively simple procedures, yet thousands of people die every year waiting for their turn. Find out why.
How OxyContin Works Record numbers of people are illegally obtaining the prescription drug OxyContin. Find out what makes this pain killer so powerful.
How Prenatal Testing Works - During a pregnancy, different kinds of prenatal testing are an important part of the process. Learn how all the different tests protect both the mother and the child.
How Robotic Surgery Will Work - Robots are already assisting doctors in the operating room. Tele-surgery may not be that far off. Learn about robotic surgery and what it could mean to the future of health care.
How St. John's Wort Works - St. John's wort and its effectiveness have been in the news a lot. Many people have heard of the drug, but aren't sure what it is -- find out what's in it, what it's used for and what its side effects are.
How Ultrasound Works - Ultrasound can help doctors look inside a patient's body to see everything from heart valves to a moving baby! Learn how ultrasound works!
How Viruses Work - Influenza and Ebola are both viruses. Find out what a virus does to your body and how to decrease your chance of exposure.
How X-Rays Work - X-ray machines seem to do the impossible: They see straight through clothing, flesh and even metal! Learn about the simple science behind this apparent magic trick.
How Your Kidneys Work - Your kidneys are two of the most important organs in your body. Learn how your kidneys work and how they affect your whole body on a daily basis!
How Your Lungs Work - We all breathe without really thinking about it -- it just happens naturally. Learn all about your lungs, various conditions and diseases, and what makes the breath of life so crucial!