A new metabolic ward study tests the idea that lowering insulin via severe carbohydrate restriction increases metabolic rate and accelerates...

The recent low-carb vs. low-fat study has provoked criticism from parts of the diet-health community.  Let's examine these objections an...

The carbohydrate-insulin hypothesis of obesity states that carbohydrates (particularly refined carbohydrates and sugar) are the primary caus...

In 2012, David Ludwig's group published a paper that caused quite a stir in the diet-nutrition world ( 1 ).  They reported that under st...

For those who don't follow my Twitter account ( @whsource ), here are links to my two most recent interviews. Smash the Fat with Sam Fel...

For those of you who aren't familiar with him, Dr. John McDougall is a doctor and diet/health advocate who recommends a very low fat, h...

The same day the low-fat vs low-carb study by Bazzano and colleagues was published, the Journal of the American Medical Association publishe...

A new high-profile study compared the weight loss and cardiovascular effects of a low-carbohydrate diet vs. a low-fat diet.  Although many s...

The last two posts on fat and carbohydrate were written to answer a few important, but relatively narrow, questions that I feel are particul...

Two human studies, published in 1995 and 2000, tested the effect of carbohydrate vs. fat overfeeding on body fat gain in humans.  What did t...

Glucagon is a hormone that plays an important role in blood glucose control.  Like insulin, it's secreted by the pancreas, though it...