Thursday, 31 July 2014

Fruit vs Fruit Juice

As a low carb person I eat berries and sometimes an apple, but fruit juice to me is just a sugar solution. Fruit itself seems to be universally regarded as A Good Thing (TM) and although Robert Lustig has said "the vehicle is irrelevant" when talking about fructose, and admits that he doesn't want to be the guy to say fruit is bad, the reliance on fibre as a moderator is somewhat optimistic.

Saturday, 19 July 2014

Overfeeding and weight loss on oil

Over 40 years ago a paper presented two studies on overfeeding with a high fat diet. I was drawn to read this by wanting to see how it compared with Sam Feltham's experiments and to address the general question about overeating on a low carb diet.

The paper is by German authors - Kasper, Thiel and Ehl - and may have suffered a little in translation as the two separate studies are somewhat intertwined. Well, here goes -

Wednesday, 16 July 2014

All calories are not equal

I was recently drawn to read a report of a clinical trial of over-feeding, conducted by Bray et al of Pennington Biomedical Research Center. This was an inpatient study looking at the effect of protein on weight gain in people eating 40% more calories than required for maintenance of body weight.

This study was brought to my attention as evidence that the number of calories is more important than the composition of those calories, and it was said that "all the extra calories were from fat". On further examination I found that it actually shows something different.