The role of diet in preventing underweight, overweight, and obesity

It is important to maintain a healthy weight.  Educating individuals in the role of nutrition can help in eliminating underweight, overweight, and obesity issues.  Introducing techniques such as portion control for overweight and obese individuals is a step towards fighting these diseases.  

There are many factors such eating buffets, fast food restaurants, living a sedentary lifestyle. The less you move around the fewer calories you burn.  However, this not only a question of calories. Physical activity has an effect on how your hormones work, and hormones have an effect on how your body deals with food.  Several studies have shown that physical activity has a beneficial effect on insulin levels which are closely associated with weight gain.

UNDERWEIGHT
Underweight people can be subject to many problems by not maintaining a healthy weight or balanced diet that include adequate nutrition. Some results of being underweight can include scurvy, anemia osteoporosis, it as well can affect the immune system as well as increase risks of death.

OVERWEIGHT
There can be a number of reasons for being overweight.  Family history, genetics, metabolism and unhealthy eating habits also contribute to overweight issues.  There is a difference between overweight and obesity, overweight has a BMI of 25 to 30 anything over 30 is considered obese.

OBESITY

The number of obese adults, along with related disease rates and health care costs, are on course to increase dramatically in every state in the country over the next 20 years,according to F as in Fat: How Obesity Threatens America's Future 2012, a report released by Trust for America's Heath (TFAH) and Robert Wood Johnson Foundation (RWJF)(Nordqvist,C., 2010).

Obesity can lead to a range of chronic health conditions such as type 2 diabetes.  heart disease, stroke, and many types of cancer.  To combat the obesity epidemic, we must shift the dialogue from blame to solution, and treat obesity as we would other diseases. (Obesity.Org, 2012).

Reference
Nordqvist,C. (2010) MNT  What is Obesity
http://www.medicalnewstoday.com/info/obesity/

Obesity.Org, 2012 F as in Fat: How Obesity Threatens America Future 2012 Retrieved from: http://healthyamericans.org/report/100/

The Skinny on Obesity. YouTube 2012 Retreived from: https://www.youtube.com/watch?v=h0zD1gj0pXk