The 1,000 calorie-a-day diet involves severe calorie restriction, which can be dangerous and may cause rapid weight gain afterward. Learn more here.

The Dr. Now diet is a restrictive 1,200 calorie-per-day diet designed for people prepping for weight loss surgery. Can it ...

What can you eat on the keto diet? Learn the best and worst ketogenic foods to fill up on, including good choices like fish, eggs, poultry, meat, and more. Plus, find out whether you can eat ...

Exercises for burning 1000 calories a day. Start doing these 1000 calorie workouts including climbing stairs, jump rope, & more!

Potbelly features a menu that has an assortment of sandwiches, but some of them may not be so healthy. Take a look at some ...

Is the 1,000-Calorie-a-Day Diet Safe? A 2013 study suggested that prescribing 1,000-calorie diets versus 1,500-calorie diets is more likely to result in significant weight loss for obese individuals.