Nutrition researchers in the LSU AgCenter believe a form of starch may have a greater effect on metabolism and fat deposition than other types of dietary fiber. The LSU AgCenter research team has shown that fermentation of natural resistant starch in the large intestine is an important and previously underestimated mechanism in weight management.

Americans put on anywhere from 5 to 8 pounds during the holidays. There are safe and not-so-safe methods of losing those few extra pounds, according to LSU AgCenter nutritionist Dr. Heli Roy.

In the past, cardiovascular disease was thought to be caused by diet alone, but today health experts are beginning to realize that it is in part due to inflammation of blood vessel walls. A large study was done in England showed that foods rich in vitamin C can lower levels of inflammatory markers in their blood stream.

Physical inactivity is a major risk factor for diseases such as obesity, diabetes and hypertension. LSU AgCenter nutritionist Dr. Heli Roy says declining levels of physical activity may help explain why childhood metabolic diseases are becoming more common.

Recent clinical trials and ongoing studies have emphasized the importance of physical activity or combined physical activity and improved diet in the prevention of type 2 diabetes.

Being overweight is a fast-growing health issue affecting children and adolescents. Many causes contribute to the problem, says LSU AgCenter nutritionist Dr. Heli Roy.

Eating foods rich in antioxidants is one part of a diet and exercise program that protects against chronic diseases, according to LSU AgCenter nutritionist Dr. Heli Roy. A recently published study bears out this claim.

Dietary fat is important in determining cardiovascular health and risk of heart disease development. Some fats actually help protect against heart disease.

Scientists are learning about the role of genetic and non-genetic factors in cardiovascular, metabolic and hormonal responses to aerobic exercise through a three-part investigation begun 12 years ago, according to LSU AgCenter nutritionist Dr. Heli Roy.

Both obesity and being overweight have increased significantly in recent years, with nearly two-thirds of U.S. adults being one or the other. Whether this weight gain has resulted more from an increasing sedentary lifestyle or from less exercise is under debate, according to LSU AgCenter nutritionist Dr. Heli Roy.