Results for: vitamin

The effectiveness of zinc and vitamin C on the duration of COVID-19 infections

Vitamin C and zinc have been heralded as treatments for colds for decades, but how well do they work against COVID-19? A new clinical trial provides the answer.

/ February 18, 2021

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

Update on Vitamin K Refusal

Vitamin K shots at birth are a safe and effective method for preventing bleeding, but that doesn't stop some parents from refusing.

/ February 26, 2020

From the Vault: Newborn Vitamin K Shots Save Baby Lives

I've gone into the vault in order to save new content until after technical difficulties have been ironed out. Here is one of my earliest and most memorable (to me) posts on the newborn vitamin K shot and risks of refusing it.

/ November 15, 2019

Vitamin D and Diabetes: Another Case Where Supplementation Sounded Like a Good Idea But Wasn’t

A new study shows vitamin D supplements don't prevent diabetes. But there are still unanswered questions.

/ August 13, 2019

Vitamin D supplements do not reduce the risk of cancer or cardiovascular disease

Vitamin D has been widely touted as beneficial for preventing cancer and cardiovascular disease. A large, well-conducted clinical trial now show that it has no effect.

/ January 10, 2019

Multivitamins and Vascular Disease

Yet another massive meta-analysis shows no health benefit to routine supplementation with vitamins or minerals.

/ July 11, 2018

Vitamin D and the relationship to colon cancer

Colorectal cancer is common. A new study examines the relationship with vitamin D levels.

/ June 28, 2018

Routine Vitamin Supplementation Mostly Useless

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.

/ May 30, 2018

Macular Degeneration, Genes, and Grandma’s Vitamins: To test or not to test?

Is genetic testing necessary to optimize treatment for patients with a potentially blinding eye disease? The stakes are high and the answer depends on which of the two feuding, financially-conflicted groups you believe. In the end, the best evidence wins!

/ March 30, 2018