For today’s edition of Dear Mark, we’ve got a two-parter. First, Mathilde wonders whether she’s eating too little food. A high-fat, nutrient-dense Primal way of eating can have the effect of maximal satiation on fewer calories, and that’s usually fine, but there are instances where too few calories can have negative health effects. I tell her what symptoms to watch out for. After that, I discuss the issue of too much iron in the diet. It may be a concern for people with genetic tendencies to store excessive amount of iron, but what about regular people without those genetic variants?
Research of the Week
Chopping wood boosts testosterone more than playing sports.
This news fills me with confidence: 9 out of 10 new drugs are no more (or even less) effective than their predecessors.
When smokers quit, they often gain weight, but not because of increased calorie intake. It’s the change in gut flora, according to new research.
Interesting Blog Posts
How the future of psychiatry may lie inside our guts.