A. influence B. majority C. moderate D. rushing E. rose F. average G. consumed H. preferring I. consumption J. portions K. decreased |
As for what is driving America’s chronic weight problem, there are no definite answers. But a lot of evidence points to the two causes most people already suspect: too much food and too little exercise.
Bigger
The US Department of Agriculture(USDA)reports that the average American ate almost 20% more calories in the year 2000 than they did in 1983, thanks, in part, to a boom in meat
Inactivity is the new normal
Lack of exercise is also a major culprit in the obesity epidemic. It’s been decades since most Americans worked in fields and on factory floors. A far greater
But lethargy goes well beyond the workplace. It is also how we get to work and what we do after. Americans walk less than people in any other industrialized country,
In the end, though, we can’t lose sight of the big picture. Over the past years, diet fads have come and gone, with people
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A. price B. considerable C. shared D. ignore E. relieve F. measures G. fright H. fatal I. conditions J. criticized K. considerate |
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A. assessed B. aware C. emerged D. identified E. ordinary F. replicated G. reward H. responsibility I. survivors |
We Could Be Heroes
Altruism has long been an evolutionary mystery. Why would anyone choose to help somebody not related to them, with no promise of
To try to answer this question, Samuel Oliner, a sociologist, and his wife Pearl set up the Altruistic Personality and Prosocial Behavior Institute at Humboldt State University in 1982. In one of their first studies, still the largest of its kind, they interviewed and psychologically
What’s more, they were unusually tolerant: the people they
Samuel Oliner says his finding has held up in all their follow-up studies. It has also been
A. willing B. educated C. pushing D. generation E. teenagers F. volunteer |
Does the face-down