Why is it recommended that people meet their nutritional needs by eating a variety of foods rather than by taking several supplements?
Scientists are still learning about the substances other than traditional macro- and micronutrients that are present in foods. These substances in food may reduce the risk for developing certain diseases. Supplements typically include primarily well-known nutrients and often provide these in mixtures and quantities that are inferior to the mixtures and quantities of nutrients one can get from eating a varied diet.
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What are potential consequences of delaying conception until you are in your 40s?
a. Decreased chance of conception b. Sperm become less viable c. Higher likelihood for chromosomal abnormalities d. All of the above e. b and c only
The main function of vitamin D is:
a. maintaining stability of cell membranes. b. antioxidant protection. c. synthesis of cholesterol. d. bone mineralization.
Which of the following is an example of macrosomia?
a. A neural tube defect in a fetus b. A baby born at 37 weeks gestation c. A mother gaining excessive weight during pregnancy d. A baby born after the fortieth week of gestation e. A baby born weighing 9 pounds 6 ounces
Which type of tissue plays an important role in communications within the body?
a. Connective b. Neural c. Muscle d. Epithelial