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Older adults often take longer to make a decision than young adults do. But that does not mean they are any less sharp. According to research at Ohio State University, the slower response time of older adults has more to do with prizing accuracy over speed

Obese older adults may be more likely than their thinner peers to suffer a potentially disabling fall -- though the most severely obese may be somewhat protected from injury, a new study suggests.

Doctors who are interested in measuring life expectancy may now have a simple way to do it — researchers have discovered that walking speed can be a useful predictor of how long older adults live.