Many claims are made for the health benefits of aloe vera, used both topically and orally. The scientific evidence is lacking.
Colorectal cancer is common. A new study examines the relationship with vitamin D levels.
Can post-hoc data-dredging produce competent and reliable scientific evidence for Prevagen's claims of memory improvement? The FTC and consumer groups say "no."
An ad for the dietary supplement Omega Rejuvenol is disguised as a news story in my local newspaper. It makes claims that are not supported by evidence.
A new meta-analysis shows no benefit from multivitamins or routine supplementation. These results should motivate users to take a fresh look at their supplementation.
Aromatherapy with essential oils is pseudoscience, backed only with low quality studies guaranteed to show a placebo effect. Their growing popularity warns that better science education is needed.
"Dr. Amy" Yasko isn't a real doctor and her autism protocol is unproven, complicated, and expensive. Her claims of success are contradicted by autism, nutrition, and genetics experts.
St. John's wort is a herbal remedy that appears to be effective for the treatment of depression. But how does it compare to antidepressants?
Joel Fuhrman is selling an overpriced iodine urine test that is not valid for testing individuals. Patients may be led to believe they are iodine deficient when they are not. Iodine supplements on the market vary widely including orthomolecular doses, and they make unsupported claims that mislead customers.
Are we all being gradually poisoned by environmental toxins? And what is the evidence for detoxification kits and cleanses?