Although there is an increasing public emphasis on the health risks of obesity, being underweight is also a serious concern. Being underweight is different than being slender. Those who are underweight are putting their health, and potentially their lives, in danger.

How many times you work out per day to lose weight is not as important as how many calories you burn. A calorie deficit of 3,500, created through exercise and diet, results in a one-pound weight loss. Your schedule, motivation and physical fitness are factors that will help you determine your exercise frequency.

The South Beach Diet doesn't limit carbohydrates to a specific number of grams per day, as some other diet plans do, but the percentage of your diet that comes from carbs is typically lower than the 45 to 65 percent of daily calories recommended by the Centers for Disease Control and Prevention, which in a diet of 2,00

Losing pounds requires a calorie deficit, meaning that you burn more than you consume. While it may seem as if 100 sit ups a day may lend itself to the six-pack of your dreams, solely doing sit ups will not help you lose weight.

The weight and height of a 7-month-old boy depend primarily on his birth weight. Babies grow and develop at different rates, and what’s normal for one may be cause for concern in another. The U.S.

The definition of "normal" when it comes to body fat is relative. "Normal" for an athlete is quite different than for the average man. The range for healthy body fat for most men is between 10 and 25 percent. Where you fall in that range depends on your age, genetics and activity level.

Calories are the units of energy found in all the different food and drinks you consume and they are burned during every minute of every day. Boxercise is a combination of various physical activities associated with boxing but designed to give you a full workout and appreciation of the specific skills.

To get the most out of a weight loss program, compound exercises are the preferred and recommended method. Compound exercises are multi-joint movements that work several muscles or muscle groups at one time. Incorporating compound moves into your routine builds muscles, which -- in turn -- burn more calories.

Dr. Louis Arrone says that genes and hormones are involved in your appetite, metabolism and body weight. The Skinny Diet plan limits the amount of simple carbohydrates, sugar and fat in your diet. The restriction of these foods will supposedly help lower hormone levels that control your feelings of hunger and fullness.

Men have the benefit of being able to burn fat more quickly than women because of hormonal and muscle mass differences. To lose fat, you must burn more calories than you consume every day.

Marriage and weight gain go hand-in-hand for many couples. You may notice your husband's weight increasing and want to help him slim back down, or you may want to lose weight along with him.

Weight fluctuations are a normal part of physical development for teenagers. When weight gain is severe, sudden or accompanies additional symptoms, an underlying medical condition may exist.