Describe the possible relationships between cataracts and nutrition
Oxidative stress appears to play a significant role in the development of cataracts but supplements of the antioxidant nutrients (vitamin C, vitamin E, and carotenoids) do not seem to prevent or slow the progression. By comparison, a healthy diet that includes plenty of fruits and vegetables rich in these antioxidants does seem to slow the progression or reduce the risk of developing cataracts. Also, people who follow the Dietary Guidelines for Americans are reported to have fewer cataracts, though cataracts can occur even in well-nourished individuals due to exposure to ultraviolet light, oxidative damage, viral infections, toxic substances, genetic disorders, injury, or other trauma. One other diet-related factor that may play a role in cataract development is obesity. How obesity may influence the development of cataracts is not known. Risk factors that typically accompany overweight, such as inactivity, diabetes, or hypertension, do not explain the association.
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a. Folic acid b. Niacin c. Vitamin C d. Thiamin
Carbohydrates, fats, and proteins all contain the following elements: ____
A) carbon, hydrogen, and oxygen B) carbon, hydrogen, and magnesium C) carbon, nitrogen, and sulfur D) nitrogen, carbon, and oxygen
Which of the following metabolic reactions occurs when a cell uses energy?
a. ATP gains a phosphate group and becomes ADP b. ADP gains a phosphate group and becomes ATP c. ATP releases a phosphate group and becomes ADP d. ADP releases a phosphate group and becomes ATP
For several years, Corey has suffered from intermittent abdominal pain along with bouts of diarrhea and constipation. According to Corey, his "bad guts" worsen whenever he is "stressed out" or eats certain foods, especially raw fruit and baked beans. His doctor has determined that his intestinal tract is not inflamed. Based on this information, Corey probably has ________.
A. irritable bowel syndrome B. Crohn's disease C. gastroesophageal reflux disease (GERD) D. ulcerative colitis