A nutritionist’s guide to eating more junk food

Then again, you shouldn’t be anyway. This story has been updated. It was originally published on June 18, 2018. 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 carbs. But the ketogenic …

The fat-heavy diet is good for some diseases, but not as a general weight-loss practice. Every January, fat’s in the crosshairs of health columnists, fitness magazines, and desperate Americans. This year, PopSci looks at the macronutrient beyond its most negative associations. What’s fat good for? …

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 in a fat-burning storm and left many a groggy dieter in its wake. The so-called “keto flu” is a …