填空题 A body of research 21 that suggests that there"s little risk to carrying a few extra pounds. And there may even be 22 . Indeed, people who are 10 to 15 pounds overweight appear to have 23 dying than those of so-called "normal" weight. 24 have shown that those who are overweight are no more likely to 25 or cardiovascular disease. Also, being a little overweight may help stave off osteoporosis. And it can make you 26 , too.
While experts agree that 27 is a serious health issue with widespread medical implications, there is a difference between 28 and being obese.
Indeed, researchers and doctors 29 that eating healthy foods and getting exercise can 30 more than the number that appears when you step on the scale.
To calculate 31 should weigh, health-care professionals rely on a measurement that considers 32 , and is known as the "Body Mass Index" (BMI). A BMI of 18.5 through 33 is considered normal. "Overweight" is considered having a BMI of 25 to 34 . A person with a BMI of 30 or higher qualifies as obese.
An Australian study found that 35 who were overweight were less likely than those of 36 to die during a 10-year time span. This could indicate that a little extra weight might fortify people a 37 as they age.
The study studied about 38 . It found that a little physical activity twice a week was enough to ameliorate some of the harmful effects of a sedentary lifestyle.
Doctors who study osteoporosis see some benefits to being 10 pounds overweight. Subcutaneous fat produces estrogen which can help 39 . And it might strengthen a skeleton to carry a bit of extra weight. So Women should not worry if they are 40 , particularly if the fat is not concentrated in the belly.