Blog
Do Hair Growth Supplements Work?
Might biotin or zinc supplements prevent hair loss in men and women? By the time we’re 50, about half of us, men and women, will experience hair loss. No, it’s not caused by washing your hair too much or, for that matter, brushing it too much either—two of the many...
The Protein Debate: Why Source Matters More Than Amount
I discuss a public health case for modernizing the definition of protein quality. In 2019, Dr. David Katz and colleagues, including one of my favorite researchers, David Jenkins, published a “public health case for modernizing the definition of protein quality.” The...
Are Potassium Chloride Salt Substitutes Safe and Effective?
Healthy kidneys are required for potassium excretion. If you aren’t sure if you’re at risk, ask your doctor about getting your kidney function tested. Based on how we evolved, the optimum dietary potassium intake likely greatly exceeds current and even recommended...
Are Potassium Chloride Salt Substitutes Worth Trying?
Is potassium chloride a win-win by decreasing sodium intake and increasing potassium intake? Of all the terrible things about our diets, high dietary sodium intake—high salt intake—is the leading risk. It’s estimated to be causing millions of deaths every year,...
The Mineral Intake Recommendations Only 1 in 6,000 U.S. Adults Meet
A staggering 99.99% of Americans fail to get the minimum recommended potassium intake (despite it being perhaps only half of our natural intake) and stay below the recommended sodium intake (even though it may be twice our natural intake). Worldwide, physical...
Do Cranberries and Pumpkin Seeds Help an Enlarged Prostate?
Cranberries and pumpkin seeds are put to the test for benign prostatic hypertrophy. More than 50% of men in their 50s and at least 70% of men over age 60 suffer from benign prostatic hypertrophy, or BPH, otherwise known as enlarged prostate. This can result in...
The Science Behind Oatmeal and Diabetes
Before Insulin, There Was Oatmeal Before the discovery of insulin, the lives of many people with diabetes were saved or prolonged by Carl von Noorden’s oatmeal diet. As I discuss in my video Is Oatmeal Good for People with Diabetes?, he published his findings in 1903,...
A Surprising Vegetable Approach to Insomnia
Lactucin, the hypnotic component of lettuce, is put to the test in a randomized, double-blind, placebo-controlled trial of lettuce seeds. “There is a perception that time spent asleep is time wasted,” but it’s widely recognized that insufficient sleep is linked to...
Protect Your Arteries from Saturated Fat with These Foods
If you’re going to have something unhealthy, is there anything you can eat with it to help mitigate the damage it may cause? If you compare the artery function of vegetarians and meat-eaters, the healthy ability of arteries to dilate and let more blood flow is...








