Roles that phytochemicals play in disease reduction include all of the following EXCEPT:
1.decreasing formation of blood clots.
2.blocking or neutralizing enzymes that promote the development of cancer.
3.acting as hormone-initiating substances in cancer.
4.serving as antioxidants that prevent and repair damage to cells due to oxidation.
3
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The overall objective of the Healthy People program is to ____
a. establish the DRI b. identify national trends in food consumption c. identify leading causes of death in the United States d. set goals for the nation's health over the next 10 years e. decrease health care costs
Would you recommend ?-carotene supplementation to a smoker to decrease the risk of lung cancer??
A) ?Yes-?-carotene can quench singlet oxygen. B) ?Yes-smoking increases free radical formation; ?-carotene can decrease free radicals. C) ?No-?-carotene supplements may be harmful to smokers and their use is not advised for the general public. D) ?No-?-carotene supplements can cause vitamin A toxicity and liver cirrhosis.
The more fit a muscle is, the _____ it draws from the blood
a. less oxygen b. more oxygen c. more carbon dioxide d. less carbon dioxide