Word: underweight
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...Journal of the American Geriatrics Society, looked at data from two long-term population-based studies and found that adults who were overweight had an average 13% lower risk of death from any cause over 10 years, compared with those who were of normal weight. Those who were underweight were 76% more likely to die, while the obese had the same mortality risk as those of normal weight. Researchers also found that being sedentary increased the risk of death in men by 28%; in women, the risk was doubled. (See how exercise can help aging bodies - and brains...
...weight and height - is equally useful for all age groups. The World Health Organization defines normal weight as a BMI of 18.5 to 24.9 kg/m2; overweight is defined as a BMI of 25 to 29.9 kg/m2. A BMI of 30 or higher is considered obese, and under 18.5 underweight...
...variety of diseases, including Alzheimer's, infections and lung disease. Another study in 2005, published in Obesity, analyzed data on more than 11,000 Canadian adults for over 12 years and found that people who were overweight were 17% less likely to die than those of normal weight. Underweight adults, by contrast, had a 73% higher risk of death...
...screening. Risks include the removal of abnormal lesions found during Pap smears, which are common in young women and teens, but often go away on their own if left untreated. The procedures used to remove the lesions may be linked to long-term reproductive harms, such as premature birth, underweight babies and an increased risk of cesarean section birth. Weighing the risks, the ACOG determined that the evidence supported later, and less frequent screening. "A review of the evidence to date shows that screening at less frequent intervals prevents cervical cancer just as well, has decreased costs, and avoids unnecessary...
...healthy size. "About 40% of parents of obese children ages 6 to 11 perceived their children's weight status to be 'about the right weight,'" says Matthew Davis, the University of Michigan pediatrician who directed the poll. A further 8% believed their child was actually underweight. "It's almost as if parents don't know what obese looks like in that school-age group," Davis says...