Thursday, April 30, 2015

We Can Exercise All We Want, But Failing to Reduce Sugar and Carbs Will Keep Us Fat

This is from Alice Walton, writing at Forbes: expounding on a three-author editorial in the British Journal of Sports Medicine:
...We can exercise to the moon and back but still be fat for all the sugar and carbs we consume. And perhaps even more jarring is that we can be a normal weight and exercise, and still be unhealthy if we’re eating poorly. So, they say, we need a basic reboot of our understanding of health, which has to involve the food industry’s powerful PR “machinery,” since that was part of the problem to begin with. 
The major point the team makes – which they say the public doesn’t really understand – is that exercise in and of itself doesn’t really lead to weight loss. It may lead to a number of excellent health effects, but weight loss – if you’re not also restricting calories – isn’t one of them. “Regular physical activity reduces the risk of developing cardiovascular disease, type 2 diabetes, dementia and some cancers by at least 30%,” they write. “However, physical activity does not promote weight loss.” ... 
What we know to be true is much simpler: “Sugar calories promote fat storage and hunger,” the write. “Fat calories induce fullness or satiation.” For every additional 150 calories in sugar (i.e., a can of soda) a person consumes per day, the risk for diabetes rises 11-fold, regardless of how much or little we exercise. The single most effective thing people can do for their weight, they write, is to restrict calories – and even more, restrict carbohydrates. ...
The full column is absolutely worth reading.