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  3. Why do men die earlier than women? The latest research makes it known that th

Why do men die earlier than women? The latest research makes it known that th

游客2024-01-16  62
问题    Why do men die earlier than women? The latest research makes it known that the reason could be that men’s hearts go into rapid decline when they reach middle age.
   The largest study of the effects of ageing on the heart has found that women’s longevity may be linked to the fact that their hearts do not lose their pumping power with age.
   "We have found that the power of the male heart falls by 20-25 percent between 18 and 70 years of age, " said the head of the study, of Liverpool John Moore University in the UK.
   "Within the heart there are millions of cells that enable it to beat. Between the age of 20 and 70, one-third of those cells die and are not replaced in men, " said Gold Spink. "This is part of the ageing process. "
   What surprises scientist is that the female heart sees very little loss of these cells. A healthy 70-year-old woman’s heart could perform almost as well as a 20-year-old one’s.
   "This gender difference might just explain why women live longer than men, " said Gold Spink.
   They studied more than 250 healthy men and women between the ages of 18 and 80, focusing on healthy persons to remove the confusing influence of disease.
   The team has yet to find why ageing takes a greater loss on the male heart, said Gold Spink.
   The good news is that men can improve the health of their heart with regular exercise. Gold Spink stressed that women also need regular exercise to prevent their leg muscles becoming smaller and weaker as they age. [br] We can know from the passage that______.
选项 A、the reason why ageing takes a greater loss on the male heart has been found out
B、scientists are on the way to finding out why the male heart loses more of the cells
C、the team has done something to prevent the male from suffering the greater loss
D、women over 70 could lose more heart cells than those at the age of 20
答案 B
解析 逻辑判断题。从倒数第二段的句子The team has yet to find why ageing takes a greater loss on the male heart，可以得知，科学家们还在摸索之中。
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