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

1. The body adjusts to getting the most from fewer calories, and when calorie intake is then increased, the body “hoards” the extra calories as fat.
2. Both diets limit food intake, thus lowering calorie consumption, and eating a lot of fat decreases a person’s appetite. However, both diets might cause heart disease, stroke, and constipation.
3. A diet like the Ornish diet is hard to follow because it takes a lot of commitment, mainly because all of the menu items have to be prepared from scratch and time needs to be set aside each day for exercise and stress reduction.
4. Diabetes, high blood pressure, heart disease, stress on back and legs
5. Insulin
6. below, above

1.when you are finished with the yo-yo diet your metabolic system is slowed down and when you try to eat like a normal person again you will gain more weight sometimes even more than what you started with.

2.atkins causes weight loss by putting your body into ketosis this causes your body to eat the fat you eat and causes weight loss is some cases it also kills brain cells and can cause mood swings as well as headaches 

3. diet like the Ornish diet is hard to follow because it takes a lot of commitment, mainly because all of the menu items have to be prepared from scratch and time needs to be set aside each day for exercise and stress reduction.

4. Diabetes, high blood pressure, heart disease, stress on back and legs

5.Insulin

6.below, above

Explanation:

dietary ketoacidosis

Yoyo dieting may cause weight gain as when you are finished with the yo-yo diet your metabolic system is slowed down and when you try to eat like a normal person again you will gain more weight sometimes even more than what you started with. atkins causes weight loss by putting your body into ketosis this causes your body to eat the fat you eat and causes weight loss is some cases it also kills brain cells and can cause mood swings as well as headaches 
some of the highest carb foods are fruits diets that want high carbs only will be hard to follow because you can only eat those things
some health risks of being overweight would be heart failure strokes blood clots diabetes liver failure and many other conditions. refer to second question.

you may loose that weight at first but unless you continue the same diet all your life (like no one is going to do that) the weight will return, plus some. We have to change our lifestyle and change our eating habits to what its maintainable for the  long run