I’ve been seeing a pattern of deceptive videos that promise to reveal a secret but make you watch the entire video to learn what it is. They feature alarmist stories, emotional language, and testimonials, but no actual science. They make claims that can’t be believed. Glasses are an effective remedy… read more "A Pattern of Deceptive Video Ads for Supplements"
The Opticalm Clinic claims to diagnose and treat visual stress with colored lenses and other aids. Visual stress is a poorly defined, questionable condition and Opticalm’s claims are not backed by scientific evidence. What does “visual stress” mean? It appears to be a new term for what has also been… read more "Visual Stress"
The research on chiropractic has been far from rigorous. One of the problems is that studies of spinal manipulation therapy (SMT) can’t be double blinded, and it is very difficult to even do single blinding. So most studies resort to non-manipulation control groups like “usual care” or “wait list” or… read more "A Credible Placebo Control for Chiropractic Research"