Category: Nutrition

Can “optimizing your metabolism” through diet prevent or cure COVID-19?

A favorite claim by those favoring "holistic" therapies is that using diet to "optimize metabolism" can prevent or treat COVID-19. These claims are of a piece with similar claims for many other diseases and are just as exaggerated.

/ August 31, 2020

“(Un)Well:” Netflix’s Documentary Series Is Poor Journalism That Neglects Science

The (Un)Well documentary series on Netflix asks "Wellness: does it bring health and healing, or are we falling victim to false promises?" But instead of answers, it offers false balance and confusion.

/ August 25, 2020

The Hallelujah Diet

The Hallelujah Diet is said to be supported by both the Bible and by science. Neither is true.

/ August 18, 2020

Vitamin D supplements do not reduce the risk of depression

A newly-published randomized controlled trial finds vitamin D supplementation has no effect on depression. This adds to the long list of medical conditions for which vitamin D supplementation has turned out to be ineffective.

/ August 6, 2020

Should We Avoid Dairy Out of Fear of Cancer?

A doctor is adamant about avoiding dairy because IGF-1 allows cancer cells to multiply. I think he's relying on speculation and an over-abundance of caution.

/ June 9, 2020

Cell-cultured meat: Earth’s savior or just a $600 burger?

Cell-cultured meat raises may issues, including safety, environmental impact, cost, and our current technology's ability to manufacture it. Most importantly, when it finally hits the supermarket, will consumers buy it?

/ June 4, 2020

Milk and Health: The Evidence

A useful review of all the current evidence about milk and health provides a lot of surprises. It shows that current recommendations are flawed and that much of what we have believed is wrong.

/ February 25, 2020
DNA Image

“DNA-based” personalized nutrition advice: Not ready for prime time

There are countless vendors offering "personalized" nutrition recommendations, some based on DNA- or microbiome-testing. What does the evidence actually say?

/ February 20, 2020

You’ve done a detox. Now what?

What is the best thing to do after you've completed a detox or cleanse?

/ January 23, 2020

The Science and Pseudoscience of What We Eat

Dr. Joe Schwarcz sets the record straight about food myths and what the research actually shows.

/ December 17, 2019