Results for: supplement quality
Glucosamine Update
Osteoarthritis, the “wear-and-tear” type of arthritis, affects a great many of us as we grow older. Knee pain is a common symptom. The diet supplements glucosamine and chondroitin have been proposed as a more “natural” treatment than pharmaceuticals, and they are components of a number of proprietary “joint health” formulations like Osteo Bi-Flex. The GAIT study (Glucosamine/Chondroitin Arthritis Intervention Trial), compared glucosamine,...
Another Misguided Cancer Testimonial
Mike Shedlock wrote a post about how he beat prostate cancer. In doing so, he provides a typical example of how difficult the medical literature can be for a layperson to read, and where they can get things wrong.
Gut Check. Probiotics and Metabiome.
I always cringe when I see an acupuncture headline with ‘needle’ or ‘point’ in the title. Can’t the writer avoid the clichéd pun? I had an editor who commented that the titles of my essays are often obtuse. Probably true. In going back over my essays on SBM I often can’t tell from the title what I have written about until I...
Are skin-lightening glutathione injections safe and effective?
Naturopaths advertise injections claimed to lighten skin. Are these products safe and effective?
Acupuncture, Organic Food, and Other Questions
In this post I respond to some reader mail regarding several different issues - organic farming and pesticides, acupuncture, and herbal supplements. In each case I clarify my position and discuss the evidence base.
Skeptic’s Guide to Debunking Claims about Telomeres in the Scientific and Pseudoscientific Literature
The New Year starts with telomeres as the trendiest of trendy biomarkers. As seen in Time, telomeres are the means to monitor our well-being so we can protect ourselves from all sorts from threats, including early death. A skeptic needs to do considerable homework in order to muster the evidence needed to counter the latest exaggerated, premature, and outright pseudoscientific claims about...
The Health Benefits of Moderate Drinking
A Book of Verses underneath the Bough, A Jug of Wine, a Loaf of Bread–and Thou Beside me singing in the Wilderness– Oh, Wilderness were Paradise enow!” – The Rubaiyat of Omar Khayyam Alcoholic beverages have always inspired strong opinions pro and con. Omar Khayyam included wine in his vision of Paradise; Carrie Nation took a hatchet to saloons. Humans have...
Risks of CAM Treatments for Cancer
“What’s the harm?” is an insidious idea when used as a justification for unscientific medical treatments. The argument is typically put forward with the assumption that direct physical harm is the only type of harm that can result from such treatments, so as long as they aren’t toxic there is no downside to trying them. Harm comes in many forms, however: delayed...
Vitamin D: To Screen or Not to Screen?
Vitamin D, the so-called sunshine vitamin, has generated a lot of attention in recent years. It has been claimed to benefit a wide variety of diseases, everything from cancer to multiple sclerosis. It is widely used along with calcium for bone health. It is added to milk and prenatal vitamins and is prescribed for breastfed babies. Some doctors are recommending everyone take...
Selling “integrative oncology” as a monograph in JNCI
The Society of Integrative Oncology publishes its "evidence-based" guidelines for the supportive care of breast cancer patients, along with a whole lot of musings on integrating quackery with medicine. But are the guidelines science-based? I think you know the answer to that one.