北大新年联欢会上的Health IQ: 看看您能够答对多少
1. Who famously said, “It is health that is real wealth and not pieces of gold and silver.”
Answer: Mahatma Gandhi
2. True or false: On average in the US and Canada, man is more likely to get cancer than women.
Answer: True. In the US and Canada, men have slightly less than a 1 in 2 lifetime risk of developing cancer; for women, the risk is a little more than 1 in 3.
3. True or false: Type 2 diabetes only occurs in adults, not in children.
Answer: False. In addition to type 1 diabetes, a growing number of children and teenagers have the more common form of diabetes, type 2, which used to be called adult-onset diabetes because it did not occur in children.
4. What is the most common cause of acute liver failure in the United States?
Answer: Acetaminophen, the most widely used pain reliever. That is the finding of a study published in the December 2005 issue of Hepatology, the journal of the American Association for the Study of Liver Diseases (AASLD). Acetaminophen is a key ingredient of many drugs, including Tylenol.
5. What is the most comprehensive large study ever undertaken of the relationship between diet and the risk of developing disease.
Answer:China Study, headed by Dr. T. Colin Campbell, who is a renowned professor of nutritional biochemistry at Cornell University. It bases on the survey of a death rate of 880 million people involving 650,000 workers in China.
6. A small apple is about 150 grams. One breakfast granola bar is 43 grams. What is the calorie ratio between the apple and breakfast granola bar: a) 3:1, b) 1:1, or c) 1:3
Answer: c, 1:3
7. In Canada’s Food Guide, the recommended servings of the fruits and vegetables group is for adult females age nineteen to fifty years old is a) 1-2 servings, b) 3-4 servings, or c) 7-8 servings
Answer: C, 7–8 servings. In Canada’s Food Guide, the recommended servings of the fruits and vegetables group is for adult males age nineteen to fifty years old is 8–10 servings.
8. What type of vegetables are the best for you, a) red colour, b) green colour, c) yellow colour, d) purple, e) mixed of different colour.
Answer: e, mixed of different colour.
9. Why vitamin C is added to commercial apple juice?
Answer: Because the vitamin C naturally occurred in apple juice is destroyed as a result of pasteurization.
10. What drink is the best drink, a) diet coke, b) commercial fruit juice, c) water, d) coffee
Answer: c, water
11. True or false: Salmon fish has high level of mercury.
Answer: False, the mercury level of salmon fish is relatively low, but salmon, especially farm salmon, has high level of PCB
12. Which type of salmon is wild salmon, a) Atlantic salmon, b) Pacific salmon, c) Alaska salmon, d) all of above
Answer: c, Alaska salmon. Alaska is the only state that forbids farm salmon.
13. In 2003, a class action lawsuit was filed in Seattle against several grocery stores about farmed salmon. Why?
Answer: For failing to let the consumer know that farm salmon was fed with artificial red food dyes.
14. Which vitamin is most sensitive to heat: a) vitamin A, b) vitamin B, c) vitamin C, d) vitamin D
Answer: c, vitamin C. That’s why vitamin C is commonly used for study of heat effect on nutrition.
15. What is ‘bleached flour’?
Answer: Bleached flour refers to the white flour that has been treated with a maturing ingredient and/or a color-modifying ingredient. The procedure is called bleaching, and its purpose is to speed up the whitening and maturing process by treating flour with those chemicals. Why whitening and maturing? When the flour is first milled, it is not white, but the color will fade overtime and becomes white. Unbleached flour refers to the type of flour matured and bleached naturally by oxygen in the air. However, it is an expensive process for flour producers to leave the flour in the open and let nature take its course. To reduce the storage cost and make the flour more appealing to consumers, they employ chemical bleaching agents to speed up the process.
16. What is enriched white flour?
Answer: Enriched white flour is white flour with B vitamins (thiamine, riboflavin, niacin, and folic acid) and iron added in an effort to “restore” the nutrition lost as a result of removing the bran layer and the germ. But the fact is that synthetic supplements can never replace the original whole food. Moreover, numerous nutritional values other than B vitamins and iron are substantially reduced when making white flour from whole grains. Dietary fiber is one example.
17. Sugar has no health benefits and is not on any food guide, whereas the bean and peas appears twice in the Food Guide Pyramid. With that in mind, what is the consumption ratio between sugar and bean & peas in the U.S. and Canada, a) 1:1, b) 1:2, c) 5:1, d) 20:1
Answer: d, based on the data in 2000, American sugar consumption on average was astoundingly twenty times of bean consumption.
18. Iron in food such as spinach can not be absorbed by human body efficiently. What food can help the absorption, a) water, b) milk, c) vitamin C rich food, d) tofu
Answer: c, vitamin C
19. Sodium nitrate is added to cure meats like ham, bacon, and hot dogs. What is the purpose?
Answer: It preserves the meat from spoilage by blocking the growth of bacteria and stabilizes the red color in cured meat.
20. What gives the new car smell?
Answer: The smell of a new car comes from phthalates, used to make plastics soft, as the interior of a car is filled with plastic material. Phthalates are known hormone disruptors, so the new car smell is something you need to stay away from.
21. Plastics are numbered from 1 to 7, which number you should try to avoid, a) 7, b) 5, c) 4, d) 2.
Answer: a, 7, it includes POLYCARBONATE plastic made with bisphenol A. Found in 3- and 5-gallon water bottles, milk jugs, baby bottles and sippy cups, reusable water bottles, citrus juice bottles, the lining of some tin food cans, oven-baking bags, custom packaging, dental sealants, pop cans, and eyewear. Also used in CDs, snowboards, and car parts. Bisphenol A can leach from polycarbonate plastic, especially when heated. Bisphenol A is a hormone disruptor, linked to early onset of puberty, obesity, recurrent miscarriages, decreased sperm production, and is associated with breast and prostate cancer.
22. Milk-producing cows get more antibiotics than other castles. Why?
Answer: A cow’s udder is under a great deal of stress to meet the high production output and is prone to have infection, the cow gets more than her fair share of antibiotics.
23. Why EU bans the import of American and Canadian beef?
Answer: Canada and the United States approve the use of hormonal growth promoters (HGP) in beef cattle while it is banned in European Union. This has caused the trade dispute between EU and the United States and Canada on beef import into EU
24. True or false: McDonald’s Strawberry Sundae contains artificial coloring in Canada, while it uses real strawberries in England.
Answer: True.
25. Which fruit/vegetable has higher level of pesticide residue on average, a) peach, b) broccoli, c) blueberry, d) onion
Answer: a, peach, ranked number 1 in 45 produces tested. Onion rank last (lowest pesticide).
26. Which type of bed is best for your back and prevent back problems, a) beds in Beida dormitories, b) mattress from Sealy, c) mattress from Serta, d) mattress from Simmons.
Answer: a, wood bed in Beida dormitories. Firm bed is the best for your back.
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