Eye Drops for Dry Eyes

I could have chosen a prescription eye drop for my dry eyes. I decided not to. Here’s why. Dry eyes can have many causes: disease, medications, environmental irritants, or just age. Tear production tends to decrease as we get older. My husband (age 80) and I (age 75) were both diagnosed with dry eyes by

Covid-19 Tests: Can You Trust the Results?

If your Covid-19 test was negative, can you breathe a sigh of relief? What if it’s a false negative? If it was positive, is that reliable evidence of infection or might it be a false positive result? How trustworthy are these tests? As with so much in science, the answer is complicated; it’s not a

Another in a Pattern of Really Stupid Marketing Videos, This One Claiming Tinnitus Has Nothing to Do with the Ear and Is 100% Curable.

Is that ringing not in your ears? Can it be cured? Recently I have written about several really stupid marketing videos for dietary supplements e.g. here. They suck you in by promising to reveal a secret, but you have to watch the entire video to learn the secret. One says “5 minutes” but lasts half an

Does Public Water Fluoridation Make Children Less Intelligent?

The Centers for Disease Control and Prevention named community water fluoridation one of 10 great public health achievements of the 20th century. In a recent statement, the American Dental Association (ADA) stressed that it is “committed to fluoridation of public water supplies as the single most effective public health measure to help prevent tooth decay” and pointed out that

A New Medication to Combat Obesity

New study in The New England Journal of Medicine finds impressive evidence that weekly semaglutide injections produce clinically significant weight loss as well as many other benefits, approaching the improvements seen with weight loss surgery. Not a definitive answer to obesity, but a very encouraging step in the right direction. Science works. Science works. The rapid development

Lose Weight without Diet or Exercise? Where’s the Proof?

Can obese people lose weight without diet or exercise, by just taking this pill? Yeah, sure! Pull the other one! I’ve been getting emails with “Confirmation numbers” in the Subject Line, numbers like 711, 526, 95311. One even says “Your order is pending”. The numbers don’t confirm anything; they are just click-bait to get you

Access Consciousness: A New Version of Phrenology?

Phrenology assigned meanings to bumps on the skull. Access Consciousness claims to have located 32 points on the head that store thoughts, emotions, and memories. Is this a new version of phrenology? A March 16, 2021 article on the Canadian Broadcasting Company website (CBC Investigates) reported “How a client-therapist relationship left one Nova Scotian feeling more

Who Is Amy B. Scher?

Amy B. Scher is a proponent of energy medicine and things like astrology and homeopathy. She claims to be a “science geek,” but how could anyone who understands science think that tapping on the breastbone will fix the thymus? Is the thymus the master gland for the immune system and connected to the entire energy

No, No, No, NO! Testimonials Are Not Evidence!

We are programmed to respond to testimonials. Blame evolution. For most of human history, we had only two ways to learn about the world: our own observations, and what other people told us about their experiences. Gathering information from others gave us a survival advantage. Unfortunately, those testimonials can be unreliable. We now have something

Rightful for Pain: Deceptive Advertising and a Dangerous Ingredient

Rightful is an herbal supplement mixture offering pain relief and much more. Its claims are deceptive and not backed by good science. Not only that, but one of its ingredients is contraindicated. Would you rather choose a pain remedy based on art or science? How are mixtures of herbal remedies chosen?Rightful is a mixture of

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