When Is the Best Time to Floss? 

When Is the Best Time to Floss? 

How good is the evidence that flossing is effective? According to randomized controlled trials, what is the optimal toothbrushing and flossing sequence?  “Over the years, it has been generally accepted that the use of dental floss has a positive effect on removing...
High Oxalate Greens and Kidney Stones 

High Oxalate Greens and Kidney Stones 

Given their oxalate content, how much is too much spinach, chard, beet greens, chaga mushroom powder, almonds, cashews, star fruit, and instant tea?  There was a tragic case in which a “green smoothie cleanse” shut down the kidneys of a woman who had had two cups of...
Do the Oxalates in Spinach Cause Kidney Stones? 

Do the Oxalates in Spinach Cause Kidney Stones? 

Even though dietary oxalates may have a limited effect on the risk of kidney stones in most people, there are some predisposing factors that can put anyone at risk.  Kidney stones affect as many as one in ten people in their lifetime and can cause excruciating pain....
Preorder How Not to Age Today

Preorder How Not to Age Today

I’m thrilled to announce that preorders are now open for How Not to Age, my new book coming out in December after three years in the making. There was so much juicy research on the many aspects of aging and longevity—more than 13,000 citations’ worth!—that I couldn’t...
The Best Way to Cook Greens 

The Best Way to Cook Greens 

What is the best way to prepare dark green leafy vegetables, the most nutrient-dense foods on the planet?  “The main purpose of cooking is to make vegetables more edible, palatable, and digestible…The downside is that cooking may adversely affect the levels of...