Describe the health effects of omega-3 fatty acids, and recommendations regarding their intake
Linolenic acid belongs to a family of polyunsaturated fatty acids known as omega-3 fatty acids, a family that also includes EPA and DHA. EPA and DHA are found primarily in fish oils. The human body cannot make linolenic acid, but given dietary linolenic acid, it can make EPA and DHA, although the process is slow. The importance of omega-3 fatty acids has been recognized since the 1980s, and research continues to unveil impressive roles for EPA and DHA in metabolism and disease prevention. The brain has a high content of DHA, and both EPA and DHA are needed for normal brain development. DHA is also especially active in the rods and cones of the retina of the eye. Today, researchers know that these omega-3 fatty acids are essential for normal growth and development and that they may play an important role in the prevention and treatment of heart disease.
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Which type of starch is linear in appearance?
a. Amylose b. Amylopectin c. Glycogen d. Dietary fiber
Excess body fat increases the risk of developing ____
A) ?hyperthyroidism B) ?breast and endometrial cancer C) ?hypothyroidism D) ?rheumatoid arthritis
Which of the following is true of gastric banding?
A) It disrupts nutrient digestion and absorption. B) It promotes weight loss by reducing hunger and subsequent caloric intake. C) It involves the surgical bypass of a segment of the small intestine. D) It involves the surgical removal of approximately 80 percent of the stomach.
Treatment of irritable bowel syndrome often includes making dietary changes and
A. taking antidepressant medication. B. having the lower third of the colon removed. C. reducing physical activity. D. lying down after meals.