Then again, you shouldn’t be anyway. Keto is hard. If it's not hard, you're probably not doing it right. The diet gets billed as a miraculously enjoyable diet—eat all the fat you want, just cut out the...

On paper, the ketogenic diet sounds great. Every January, fat's in the crosshairs of health columnists, fitness magazines, and desperate Americans. This year, PopSci looks at the macronutrient beyond most...

Suddenly getting most of your calories from fat can wreak havoc on your body. The internet is covered in keto flu germs. Keto, the nickname fans have given to the ketogenic diet, has swept the country...