Carolyn Dean believes magnesium deficiency is the cause of a great many diseases and recommends that everyone take magnesium supplements, preferably the one she sells, ReMag. I remain skeptical. This is magnesium. Do you need more of it? I was recently asked about the book The Magnesium Miracle, by Carolyn Dean.… read more "Is Magnesium the Underlying Cause and Treatment for Everything?"
Don’t Believe What You Think
A new book by Edzard Ernst provides a concise course in critical thinking as well as a wealth of good science-based information to counter the widespread misinformation about SCAM. Edzard Ernst was once a practitioner of alternative medicine. As the world’s first professor of complementary medicine (at the University of… read more "Don’t Believe What You Think"
Prenatal Screening Tests for Chromosome Abnormalities
Science has made remarkable advances in prenatal screening, but false positives and false negative results can occur, and there are ethical concerns.Having a baby used to be like opening a surprise package. You didn’t know anything about the baby until it was born. The obstetrician or midwife would announce “It’s… read more "Prenatal Screening Tests for Chromosome Abnormalities"
A Test For Earlier Diagnosis Of Autism? Not Convincing
[Este artículo está disponible en español. La traducción al español apareció por primera vez en la revista Pensar.] Autism is diagnosed on clinical grounds by observing the child’s behavior. There is no blood test or any other objective test to diagnose it. But that hasn’t stopped people from claiming to… read more "A Test For Earlier Diagnosis Of Autism? Not Convincing"
¿Test para un diagnóstico temprano de autismo? No es convincente
[This article is also available in English. Thanks to Pensar for the Spanish translation.] El autismo se diagnostica por motivos clínicos al observar el comportamiento del niño. No existe un análisis de sangre ni ninguna otra prueba objetiva para diagnosticarlo. Pero eso no ha impedido que la gente afirme haber… read more "¿Test para un diagnóstico temprano de autismo? No es convincente"
Skin pH: Salesmanship, Not Science
People are being encouraged to worry about the pH of their skin and to try to change it. These concerns and interventions are not supported by scientific evidence. You have probably heard of the alkaline diet. Public knowledge of pH, the scale by which acids and bases are measured, is… read more "Skin pH: Salesmanship, Not Science"
Everlywell: At-Home Lab Tests That Don’t Make Sense
EverlyWell offers 34 at-home tests for everything from IgG tests for food sensitivities to a Sleep and Stress test. Most of them make no sense and are likely to mislead customers. Here we go again! First I wrote about Theranos, then SmartJane, and now EverlyWell. More companies are jumping on the at-home testing… read more "Everlywell: At-Home Lab Tests That Don’t Make Sense"
Smart Jane Test of Vaginal Health: Clever Marketing, Questionable Science
Gonorrhea. The SmartJane test is not the way to diagnose this. The uBiome company’s SmartJane test claims to use state-of-the-art DNA sequencing technology, machine learning, artificial intelligence, statistical genetics, algorithms, and other proprietary innovations so women can assess their own vaginal health. Customers collect samples with vaginal swabs and mail… read more "Smart Jane Test of Vaginal Health: Clever Marketing, Questionable Science"
Too Many Tests
Doctors order too many tests. Some are useless, some are harmless (except for the cost), but some can lead to serious bodily harm. Misconceptions about tests Many people, even doctors, tend to think of tests as giving consistent, reliable, yes/no answers. They think a test can make a diagnosis, but… read more "Too Many Tests"
Chiropractor Treating Concussions for Earlier Return to Play
A chiropractor is using questionable diagnostic and therapeutic measures to return athletes to play sooner after a concussion. Not a good idea. A science teacher contacted me with concerns about a story he saw on his local TV news. It featured a chiropractor in his area who is treating athletes… read more "Chiropractor Treating Concussions for Earlier Return to Play"