National Geographic Book Is A ‘Natural’ Disaster

Nature’s Best Remedies: Top Medicinal Herbs, Spices, and Foods for Health and Well Being, by Nancy J. Hajeski. National Geographic. 318 pp. $35.00. The National Geographic store proclaims, “This authoritative guide to the foods, herbs, spices, essential oils, and other natural substances that alleviate common ailments will enhance your life—from treating illness to sharpening the

Vitamin D and Diabetes: Another Case Where Supplementation Sounded Like a Good Idea But Wasn’t

A new study shows vitamin D supplements don’t prevent diabetes. But there are still unanswered questions. This cartoon shows vitamin D killing cancer. It doesn’t. It doesn’t prevent diabetes either. Low vitamin D levels appear to be a risk factor for diabetes. Observational studies have found a correlation between a low blood level of Vitamin

Announcing: Video Lecture Course on Science-Based Medicine

A couple of years ago, the James Randi Educational Foundation commissioned me to develop a series of 10 video lectures on Science-Based Medicine. After a lot of work and many vicissitudes, it is now available. The lecture titles are: Science-Based Medicine vs. Evidence-Based Medicine What Is CAM? Chiropractic Acupuncture Homeopathy Naturopathy and Herbal Medicine Energy Medicine Miscellaneous

Protandim Update: New Studies and an FDA Warning Letter

Multilevel distributors of the dietary supplement Protandim think that evidence from scientific studies supports their claims for their product. The FDA disagrees. The FDA identifies mislabeling and false claims On April 17, 2017, the FDA sent a warning letter to the LifeVantage Corporation advising them that their product Protandim NRF2 Synergizer was misbranded and violated regulations.

The Brain Warrior’s Way: Standard Health Advice Mixed with Misinformation and Fanciful Ideas

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)

Quackery: The 20 Million Dollar Duck

The publisher recently sent me a review copy of Quackery: The 20 Million Dollar Duck, by Tony Robertson. My first thought was “Do we really need another book on this subject? Don’t I know all this stuff already?” I was very pleasantly surprised. Robertson has ferreted out an impressive array of facts and details that I

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

A Misguided Apology

A new book by Thomas Schneider, MD, offers A Physician’s Apology. The subtitle asks, “Are WE making you sick?” I was eager to read it, because I could think of many things doctors might be apologizing for: overdiagnosis, overtreatment, ordering unnecessary tests, pathologizing the vicissitudes of everyday life, offering misleading low-fat diet advice, misrepresenting inadequately tested

Diet Supplements or Nutritional Supplements: A Ruse by Any Other Name is Still a Ruse

February 22, 2011 I was surprised to get this e-mail from a reader: Surely, Dr. Hall, the public mania for nutritional supplements is baseless. All the alleged nutrients in supplements are contained in the food we eat. And what governmental agency has oversight responsibility regarding the production of these so-call nutritional supplements? Even if one

Should I Take a Multivitamin?

I’ll start with a confession. I used to do something irrational. I used to take a daily multivitamin, not because I thought there was good scientific evidence to support the practice, but for psychotherapy. I tried to eat a healthy diet and worried about it. By taking a pill, I could stop worrying. Then I