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Seasons
24. Roundup - Decluttering Our Mental Closet
December 19, 2010
Finish the series with a brief survey of "mini-myths," including that body heat is mostly lost through your head, that cracking your knuckles causes arthritis, and that eating turkey makes you sleepy. Afterward, take a moment to ponder the benefits of knowing how to sort through misconceptions and hype.
23. Medical Myths from around the World
December 19, 2010
Get a broader perspective on medical misinformation with this tour of myths from around the world, including South Korea (where sleeping with an electric fan on is thought to be deadly), parts of Africa (where it's believed that intercourse with a virgin can cure HIV infection), and Japan (where some believe personality is tied to blood type).
22. Myths about Pregnancy
December 19, 2010
Carrying a baby low while pregnant means it's a boy. Never eat fish or drink caffeine while pregnant. Intercourse every 48 hours will increase your chances of conception. A whirlwind of misinformation surrounds the subject of pregnancy. Unpack many of the most common (and popular) myths in this episode.
21. What Placebos Can and Cannot Do
December 19, 2010
Myths about placebos are "gateway myths," meaning they often lead to many other medical misconceptions and half-truths. By understanding how placebos are defined, how they are administered, and what their different effects can be, you can better grasp whether they really make for an effective form of medicine.
20. Myths about Coma and Consciousness
December 19, 2010
What are the different levels of consciousness one can have in a coma? Is it truly possible to just wake up from a coma? Can people know that others are present while comatose? Movies and stories in the media perpetuate our confusion about comas and consciousness. Separate myth from reality here.
19. All about Hypnosis
December 19, 2010
When you hear the word "hypnosis," odds are you're thinking about the trance-like states you see on stage and TV. But does it have actual medical benefits? Here, delve into the neuroscience of hypnosis and examine truths about its clinical uses in dealing with memory loss, sleep disorders, chronic pain, and more.
18. Myths about Magnets, Microwaves, Cell Phones
December 19, 2010
The idea of using electromagnetism to heal has been around for centuries. Investigate how magnetic fields in objects like microwaves and cell phones work on our bodies, how healing is attempted through devices such as bracelets and pads, and how research shows that this curious form of medicine is scientifically unsound.
17. Myths about Acupuncture's Past and Benefits
December 19, 2010
Acupuncture has recently received a great deal of attention but has yet to be convincingly proven to be medically effective beyond nonspecific placebo effects. In this episode, take a closer look at the practice's Eastern and Western origins, its medical claims, its false potential as a form of anesthesia, and more.
16. Facts about Toxins and Myths about Detox
December 19, 2010
Find out where toxins come from, how our bodies work to effectively handle toxins, and what toxins you should worry about. Then, discover the scientific reasons why detoxifying treatments like colon cleansing, over-the-counter herbal agents, and skin products do nothing more than leech money out of your wallet.
15. Homeopathy - One Giant Myth
December 19, 2010
Devised before the advent of science-based medicine, homeopathy is a controversial belief system that should not be substituted for effective treatment. So how is it supposed to work? Why has the science community rejected its prescriptions? How are homeopathic products prepared, and what is actually in them?
14. Herbalism and Herbal Medicines
December 19, 2010
Herbalism is perhaps the oldest form of medicine. So how much does it really differ from modern pharmacology? Find out as Dr. Novella explores the complicated process of drug development and testing, and then scientifically debunks popular herbal remedies such as echinacea, Gingko biloba, and St. John's wort.
13. Vague Symptoms and Fuzzy Diagnoses
December 19, 2010
Diagnoses are the labels we attach to the signs and symptoms of particular diseases or illnesses. But not all diagnoses are equally valid. Here, learn how doctors make informed diagnoses and investigate several diseases that illustrate the controversy behind them, including chronic Lyme disease, chronic fatigue syndrome, and fibromyalgia.
12. Antibiotics, Germs, and Hygiene
December 19, 2010
Infection remains a serious problem for our species, despite our well-developed immune systems. After learning about different bacteria and other invasive organisms, delve into some half-truths about antibiotic resistance and good hygiene. End the episode with the answer to an intriguing question: Can you be too clean?
11. Vaccination Risks - Real and Imagined
December 19, 2010
Focus now on myths surrounding the safety of vaccines, including the mumps-measles-rubella (MMR) vaccine and its false link to autism in children. Because of the unwarranted fear and confusion among parents, this particular myth has led to decreased vaccination rates and the reemergence of serious infectious diseases.
10. Vaccination Benefits - How Well Vaccines Work
December 19, 2010
Vaccines are perhaps the single safest and most effective preventive health measure ever devised. In the first of two episodes on this subject, learn the history of vaccination, what types of vaccines doctors use to stave off specific diseases, and why some people still question whether this technique works.
9. The Common Cold
December 19, 2010
Finally put to bed the popular myths about one of the most common illnesses: a cold. You've heard the stories about not going out in cold weather, eating chicken soup, washing your hands, and taking over-the-counter medicine. Now, discover what science says about what works and what doesn't.
8. Antioxidants - Hype versus Reality
December 19, 2010
Another popular medical subject is antioxidants: substances in "superfoods" such as green tea that stabilize oxygen-free radicals. Discover what scientists have found about the potential for antioxidants to treat diseases such as Parkinson's and Alzheimer's, to prevent cancer and heart disease, and to promote longevity and lifelong health.
7. Sugar and Hyperactivity
December 19, 2010
It's commonly believed that large amounts of sugar lead to hyperactivity in children. But is that really the case? Debunk common misconceptions about the effects of sugar, food additives, and food allergies on children's behavior, and learn more about what may sometimes be the true culprit: attention deficit hyperactivity disorder.
6. Probiotics and Our Bacterial Friends
December 19, 2010
There are billions of bacteria around and inside your body, and some of them are actually beneficial to your health. Explore the truths behind probiotics: what they are, whether they help with issues like tooth decay and irritable bowel syndrome, and the future possibilities of genetically engineered bacteria.
5. The Fallacy That Natural Is Always Better
December 19, 2010
Natural isn't always better for you, as Dr. Novella demonstrates by guiding you through some common fallacies about the "natural foods" you can find in almost any grocery store around the world. These include how such foods are cultivated, how they're labeled and sold, and how they're prepared and consumed.
4. Dieting - Separating Myths from Facts
December 19, 2010
More than any other component of health, dieting is the area most prone to myths and misinformation. Here, evaluate the veracity of everything from the benefits of low-carb and low-fat diets to the use of weight-loss supplements and intense workouts to the nature of "good" and "bad" fats.
3. Vitamin and Nutrition Myths
December 19, 2010
You cannot overdose on vitamins. Organically grown food is more nutritious than traditionally grown food. Everyone should take vitamin supplements, and the more the better. These are some of the many myths and half-truths you investigate in this episode on vitamin use and nutritional health.
2. Myths about Water and Hydration
December 19, 2010
Water is the most basic element of life. And yet there are many misconceptions about keeping your body hydrated. How exactly do our bodies regulate water? How much water should you really drink every day? Are expensive bottles of water and water purifiers worth the cost?
1. Medical Knowledge versus Misinformation
December 19, 2010
In Dr. Novella's introductory episode, discover the importance of debunking medical myths and learn tips on where to seek out solid, medically backed information. Then, get a taste of the episodes to come by unpacking common myths about hiccups, sneezing, swallowing gum, curing a hangover, and swimming after eating. #Better Living
Description
Where to Watch Medical Myths, Lies, and Half-Truths: What We Think We Know May Be Hurting Us
Medical Myths, Lies, and Half-Truths: What We Think We Know May Be Hurting Us is available for streaming on the The Great Courses Signature Collection website, both individual episodes and full seasons. You can also watch Medical Myths, Lies, and Half-Truths: What We Think We Know May Be Hurting Us on demand at Amazon Prime and Amazon.
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CastSteven Novella
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Channel
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Premiere DateDecember 19, 2010
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