Consumption of nuts has been largely
maligned by mainstream health professionals and the media for decades due to
the high calorie and fat content. As we enter an era of enlightened
understanding about the role of dietary fats and macronutrients in the
promotion or degradation of health and weight management, forward-thinking scientists
and practitioners rely on extensive research demonstrating the importance of
healthy fats in their natural state to prevent heart disease, cancer
and neurodegenerative conditions.
Researchers publishing the result
of their work in
the Journal of the American College of Nutrition
have found that eating tree nuts (almonds, Brazil nuts, cashews,
hazelnuts, macadamias, pecans, pine nuts, pistachios and walnuts) was
associated with higher levels of high-density lipoprotein-cholesterol (good HDL
cholesterol) and lower levels of C-reactive protein, a marker for inflammation
which can lead to a variety of chronic diseases including heart disease.
Tree Nuts Shown to Lower Chronic Disease Risk and Helps Prevent Obesity
Lead study author, Dr. Carol
O’Neil from the Louisiana State University Agricultural Center also observed
“One of the more interesting findings was
the fact that tree nut consumers had lower body weight, as well as lower body
mass index (BMI) and waist circumference compared to non-consumers.” The
scientists determined that those consuming tree nuts as part of their regular
diet averaged slightly over 4 pounds lower body weight or nearly one inch
smaller waist circumference.
The study centered on a cohort of
13,292 men and women participating in the 1999-2004 National Health and
Nutrition Examination Surveys. Tree nut consumers were defined as those
individuals consuming more than one-quarter ounce each day as determined from
24-hour recall data and questionnaires.
Eat a Handful of Tree Nuts Each Day to Lower Chronic Disease Risk
Tree nut consumption was
associated with a five percent lower incidence of metabolic syndrome, a group
of risk factors known to increase the risk for coronary artery disease, stroke
and type II diabetes. Researchers further noted that the nut-consuming group
exhibited a lower prevalence of abdominal obesity, high blood pressure, high
fasting glucose (blood sugar) levels and low high-density
lipoprotein-cholesterol levels.
Tree nuts consist of largely
monounsaturated fats that are known to promote heart health, and have been
shown to be of critical importance for optimal brain function. Dr. O’Neil concluded
“Tree nuts should be an integral part of
a healthy diet and encouraged by health professionals.” Nutritionists
recommend eating 1 ½ ounces each day of raw, unheated, non-salted tree nuts to
lower chronic disease risk and assist weight management goals.
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