If you’re relying on Grandma to help with child care, it’s time to reconsider. A new study of more than 54 000 women found that those who watched their grandkids 9 hours a week or more were 55% more likely to have a heart attack. These women may have less time to take care of their own health, says lead author Sunmin Lee, ScD, of the Harvard School of Public Health. Younger kids may pose more risk because they need more care.
"However willing your mom might seem, it’s up to you to figure out how much she can really handle," says Meredith Minkler, DrPH, a public-health professor at the University of California, Berkeley, and an expert on grandparents as caregivers. "It’s not just about physical health. Older adults need time to connect with people of their own age. Social isolation is a major risk factor for illness." If your mom helps out, make sure she has breaks during the day, as well as "vacations" at regular inter
A. grandparents take care of younger children
B. young people be careful about their parents
C. old women spend more time taking care of their own health
D. child care by grandmas be considered
If you’re relying on Grandma to help with child care, it’s time to reconsider. A new study of more than 54 000 women found that those who watched their grandkids 9 hours a week or more were 55% more likely to have a heart attack. These women may have less time to take care of their own health, says lead author Sunmin Lee, ScD, of the Harvard School of Public Health. Younger kids may pose more risk because they need more care.
"However willing your mom might seem, it’s up to you to figure out how much she can really handle," says Meredith Minkler, DrPH, a public-health professor at the University of California, Berkeley, and an expert on grandparents as caregivers. "It’s not just about physical health. Older adults need time to connect with people of their own age. Social isolation is a major risk factor for illness." If your mom helps out, make sure she has breaks during the day, as well as "vacations" at regular inter
A. encouraged
B. kept at home
C. given breaks
D. paid
| If you’re relying on Grandma to help
with child care, it’s time to reconsider. A new study of more than 54 000 women
found that those who watched their grandkids 9 hours a week or more were 55%
more likely to have a heart attack. These women may have less time to take care
of their own health, says lead author Sunmin Lee, ScD, of the Harvard School of
Public Health. Younger kids may pose more risk because they need more
care. "However willing your mom might seem, it’s up to you to figure out how much she can really handle," says Meredith Minkler, DrPH, a public-health professor at the University of California, Berkeley, and an expert on grandparents as caregivers. "It’s not just about physical health. Older adults need time to connect with people of their own age. Social isolation is a major risk factor for illness." If your mom h A. grandparents take care of younger children B. young people be careful about their parents C. old women spend more time taking care of their own health D. child care by grandmas be considered [简答题] Chimpanzees
1 Chimpanzees (黑猩猩) will soon be extinct (灭绝). If the present rate of hunting and habitat (栖息地) destruction continues, then within 20 years, there will be no chimpanzees living in the wild. But this is more than an environmental or moral tragedy (悲剧). Chimpanzee extinction may also have profound implications (含意) for the survival of their distant relatives - human beings.
2 In 1975 the biologist Marie-Claire King and Allan Wilson discovered that the human and chimpanzee genomes (基因组) match by over 98%. Compare this to the mouse,used as model for human disease in lab tests, which shares only 60% of its DNA with us. In fact, chimpanzees are far more similar to humans than they are to any other species of monkey. As well as resembling us genetically, chimps are highly intelligent and able to use tools. These facts alone should be enough to make protection of chimps an urgent priority (优先). But there is another, more s
[单项选择]A. Bill.
B. Bill’s grandma. C. Susan’s grandma. [简答题]CH2=CH2→CH2CH2CH2CH2OH
[单项选择]He is only too ready to help others, seldom,（）, refusing them when they turn to him.
A. if never B. if ever C. if not D. if any [简答题]CH2=CH-CH3→CH2BrCH2Cl
[单项选择]
M: May I help you A. In a shoe shop. B. In a cinema. C. In the man’s wear. 我来回答: 提交
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