Testosterone supplementation is a legitimate treatment for properly-diagnosed androgen deficiency, but it is being overprescribed by doctors who make exaggerated claims for it. New evidence clarifies its modest benefits and worrisome risks. Lots of men are taking testosterone supplements, some of them for good reasons and some for not-so-good reasons. There are Low-T clinics that
Over the years, the claims for health benefits of magnets have provided me with much amusement. Here are just a few examples: A skeptic pointed out that if magnets in health products really attracted red blood cells as claimed, an MRI scan with magnets many orders of magnitude stronger would be deadly: your blood would
We are very bad at assessing risk, often giving the most attention to the things that are least likely to harm us. Geoffrey Kabat’s new book teaches us how to think more clearly about scientific studies of environmental health risks. Sharks get a lot of bad press and inspire a lot of fear, but in
Daniel Amen, the media-savvy psychiatrist and promoter of SPECT scans, has teamed-up with his wife Tana to write a self-help book that hopelessly muddles good medical advice with misinformation and speculation. Dr. Daniel Amen has been called the most popular psychiatrist in America. His main claim to fame is the SPECT (Single Photon Emission Computed Tomography)
There are things we know we don’t know and things we know we know; but sometimes the things we know we know aren’t so. An article by Herman Pontzer in the February 2017 issue of Scientific American, “The Exercise Paradox,” describes new research findings that challenge our conventional wisdom about diet, exercise, and weight loss.
There is not enough evidence to support using dietary supplements in the treatment of diabetes. There is preliminary evidence that some herbs lower blood sugar by a modest amount, but it would be foolish to think they could replace conventional treatment of diabetes. There is good news for diabetics; unfortunately, it is fake news based
After the AREDS trial, people with moderate to severe age-related macular degeneration were advised to take dietary supplements to slow the progression of the disease. But some experts say the trial actually showed supplements don’t work, and might even make some patients worse. Age-related macular degeneration (AMD) is a leading cause of blindness. Known risk
The claims of health benefits from pink Himalayan sea salt are not supported by a shred of evidence. In fact, its vaunted “84 trace minerals and elements” include several poisons and many radioactive elements. In 2014 I wrote an article about salt in which I disparaged Himalayan pink salt. Perhaps I didn’t disparage it enough. It is
Turmeric is a yellow spice used in Indian cuisine; its active ingredient, marketed as a dietary supplement, is curcumin. It is widely used in Ayurvedic medicine, where it is said to balance vata, pitta, and kapha, to kindle agni, and to help reduce kapha and ama. It allegedly supports the blood, liver, joints, immune system,
Flame retardants are controversial: proponents say they reduce fire damage and save lives; critics say they don’t work, are poisoning our environment, and should be banned. Flame retardants are a controversial subject. Many fire departments and chemical industry sources praise retardants for reducing fire damage and saving lives. Critics say they do more harm than
