Word: functioning
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...American Academy of Physical Medicine & Rehabilitation, researchers concluded that running in shoes exerts more stress on the knee, hip and ankle than does running barefoot or walking in high heels. "We evolved to run barefoot, and when we put shoes on, we're taking away the function of the foot," says Irene Davis, director of the University of Delaware Running Injury Clinic. (Watch TIME's video "Is Running Barefoot Better...
...estimate put out by payroll-service firm ADP got two demerits, mainly because it doesn't do a great job of predicting the Labor Department employment numbers that are released two days later. And consumer-sentiment indexes, which offer the tantalizing prospect of predicting future spending patterns but often function more like an echo chamber, got the thumbs-down from two more forecasters...
Preventive health experts also point out that there is a difference between survival and quality of life. Being overweight is a major risk factor for many health problems, including Type 2 diabetes, hypertension, stroke, coronary disease, cancer and loss of physical function. "These are strong enough reasons to strive for a healthy weight and avoidance of obesity," says Dr. JoAnn Manson, a Harvard Medical School professor and chief of preventive medicine at Brigham and Women's Hospital. "Moreover, given all of the adverse effects of obesity on health, it isn't biologically plausible that overweight would lower mortality risks...
...addition, Liu-Ambrose says, other studies have found that people who weight-train show an increase in blood levels of a growth factor that is important for maintaining skeletal mass. This factor, it turns out, also promotes nerve growth, which could be another way that resistance training boosts mental function. (See the best pictures...
...second brain-function study, published in the same journal, scientists in Germany found that increased physical activity was associated with a lower incidence of dementia. In this study, researchers recruited 3,485 elderly residents in Bavaria and asked them about their physical activity. None of the participants had dementia at the start of the analysis, but after two years of follow-up, researchers found that those who exercised at least three times a week were half as likely to have developed dementia, compared with the people who reported no physical activity. Based on his results, says lead author Dr. Thorleif...