A low-carb, high-fat “keto-like” diet may be linked to higher levels of “bad” cholesterol and double the risk of cardiovascular events such as blocked arteries, heart attacks and strokes ...

This was higher than those sticking to a Mediterranean or low-fat diet. But whether these low-carb diets lead to long-term, sustainable weight loss is still largely understudied.

Volek’s studies have found people on low-carb diets can lose more than 10% of their body weight and keep it off, something that Haines says has been a game-changer. “I feel great.