Get all the news you need in your inbox each morning. A medium-sized apple is around 95 calories, according to the U.S.

Benefits: An apple a day keeps the doctor away—if you can keep it low-carb! They provide fiber and various vitamins but just watch your portions. Incorporating low-carb fruits and vegetables ...

"Carbs are the body's primary fuel source for exercise, and when you don't consume enough, you may struggle with energy levels, muscle recovery, and performance," she said. A quarter of an apple ...