Explain why “yo-yo” dieting might actually result in weight gain. 2.describe why the atkins and zone diets cause weight loss, and identify the risks associated with each diet plan. 3.why is a high-carbohydrate, moderate-protein diet like the ornish diet often very difficult for a person to follow? 4.list some health risks of being overweight. 5.the theory behind high-protein, low-carbohydrate diets is that carbohydrates signal the body to produce which in turn signals the body to store extra energy as fat. 6.fat the waist is harder to lose than fat the waist.

1. Yo-yo dieting can increase your body fat percentage at the expense of muscle mass and strength, and can cause fatty liver, high blood pressure, diabetes and heart disease.

2.You'll lose up to 15 pounds within two weeks, and eat lots of fatty foods. The body is an engine; carbs are the gas that makes it go. Limiting carbs makes the body turn to an alternative fuel – stored fat.

3.you eat mostly fruits, vegetables, and grains – and very little fat. Learn how it works, as well as the pros and cons of this popular diet.

4.high blood pressure,heart disease and strokes,sleep apnea,fatty liver disease

5.During very low carbohydrate intake, the regulated and controlled production of ketone bodies causes a harmless physiological state known as dietary ketosis.

6.The Most Dangerous Fat Is the Easiest to Lose