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Hand washing in public restrooms, not so common
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Bayer Corporation and the Public Health Committee of the American Society for Microbiology sponsored a study of hand washing in public restrooms. Researchers from the survey group hid in stalls or pretended to comb their hair while they observed over 6,000 men and women in five large cities. Their observations revealed that many people prefer a "get up and go" strategy, failing to wash their hands after using the restroom facilities. In New York's Penn Station, for example, only 60% of restroom users washed after relieving themselves. Similar rates were found in other cities: 64% of restroom users washed at a Braves game in Atlanta, 69% washed in San Francisco's Golden Gate Park, 71% used soap and water in a New Orleans casino, and a laudab ...
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Biology Forums Blog |
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5183 |
bio_man |
A year ago |
What is the purpose of stress?
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The stress response exists for the purpose of survival. When we experience stress, our sympathetic nervous system activates, blood pressure and heart rate increase, and often we begin to sweat. These physiological reactions prepare us for "fight or flight." Our bodies are at optimal physical performance and alertness levels, and we are therefore optimized for survival in a physically challenging situation. Sometimes we use this physiological activation to our advantage: Consider a champion weightlifter who, prior to lifting an extremely heavy weight, "pumps himself up." By doing this, the weightlifter is attempting behaviorally to elicit a stress response from his brain and body in order to achieve the highest level of physical performance ...
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Biology Forums Blog |
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3732 |
bio_man |
A year ago |
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