Do vitamin D, zinc, and other supplements help prevent COVID-19 or hasten healing?

The appeal of safe, natural treatments is undeniable. It’s true for age-old conditions such as the common cold, and for new diseases, especially if they have no known cure.... Read more »

Summer camp: What parents need to know this year

It’s time to make summer plans, and for many families, those plans include summer camp. After the year we’ve had, the idea of getting out of the house, being... Read more »

Can fitness counter fatness?

In a recent study, researchers attempted to answer the very question posed in the title of this post. Before delving into the findings of this study and how it... Read more »

Omega-3 fatty acids and the heart: New evidence, more questions

My patients commonly ask me whether they should try one supplement or another. Often my answer is equivocal, because for most supplements we just don’t have enough evidence to... Read more »

Denmark Extends Its Suspension of the AstraZeneca Vaccine

Officials want to investigate whether the vaccine is related to blood clots and other rare but dangerous problems. Denmark will extend its suspension of the AstraZeneca vaccine until April... Read more »

A look at the 2020–2025 Dietary Guidelines for Americans

The Dietary Guidelines for Americans (DGAs), published by the US Department of Health and Human Services (HHS) and the US Department of Agriculture (USDA), provide science-based recommendations on what... Read more »

Grandparents and vaccines: Now what?

As COVID-19 vaccines roll out across the US, many grandparents — including one co-author of this blog post — are thrilled to hold out their arms for a jab.... Read more »

‘What should I eat?!’ The Paleo diet edition. [Infographic]

“What can I eat on the Paleo diet?!” Eating like ancient humans sure sounds cool. But it brings up a lot of questions: Is grass-fed cattle similar to the... Read more »