Which type of studies are most commonly used as evidence for the benefits of phytochemicals?
A) retrospective B) experimental C) epidemiological D) survey
C
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Why is choline typically grouped with the B-vitamins? What is the function of choline?
What will be an ideal response?
At what age do families and caregivers tend to notice behavioral signs of autism spectrum disorders?
a. prenatal and infant b. infant and toddler c. toddler and preschool d. middle childhood
Vitamin ________ can be produced in the skin in response to ultraviolet light.
A. E B. C C. A D. D
Which of the following is a feature of physical activity recommendations?
a. The minimum daily amount of exercise for health's sake is 10 minutes b. The same level of effectiveness can be achieved by dividing the activity in shorter sessions throughout the day c. To maintain a healthy body weight, a minimum of 75 minutes per day of vigorous (intensive) exercise is necessary d. Walking each day as the only physical activity is not enough to meet the guidelines for quantity and quality of physical activity