
If you are feeling the aches and pains of what you think is the flu, a trendy diet may be the culprit instead, a new study confirms. Researchers took a dive into what’s become known as “keto flu” — the fatigue, headache, nausea and mental fog that some people develop soon after starting a ketogenic diet. The keto diet, which is loaded with fat and skimpy on carbs, has become a popular way to lose weight. By depriving the body of carbs — its main source of fuel — the diet pushes it to burn fat instead. The tactic “undeniably works” in spurring quick weight loss, said Ginger Hultin, a Seattle-based registered dietitian and spokesperson for the Academy of Nutrition and Dietetics. At the same time, though, it can leave people feeling miserable, at least in the first few weeks. That so-called keto flu has been recognized for some time, and it’s thought to be the result of the radical dietary change. Keto plans typically recommend getting 70% to 80% of calories from fat, 10% to 20% from protein, and a mere 5% to 10% from carbs. “You’re asking your body to shift into a completely different metabolic state,” Hultin explained. For the new study, researchers looked to online forums to see what keto dieters had to say about their short-term side effects. First, they… read on >