Humans walk upright to conserve energy
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Why did humans evolve to walk upright? Perhaps because it's just plain easier. Make that "energetically less costly," in science-speak, and you have the conclusion of researchers who are proposing a likely reason for our modern gait.
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The health benefits of regular walking may include helping prevent mental decline and Alzheimer's disease, research in patients aged 70 and up has found, bolstering evidence that exercise needn't be strenuous to be good for you.
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I heard a report on NPR a couple of weeks ago, and thought it was very interesting.  A study of a group hotel maids found that even though they lead active lives, get lots of exercise, their health isn't good. High blood pressure, overweight, body-mass index, the usual signs of a sedentary life.  They interviewed them, asking if they were active -- no. Did they get exercise? No. (The correct answer was yes to both.) So they formed two groups, with one group they did nothing, with the other they had a series of classes where they showed them how doing maid work compared to other forms of exercise. The kept going until they understood that they were active and living a healhty lifestyle. A few months later they checked blood pressure, weight, BMI and amazingly the group they had educated had become healthy!
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Walking reduces the risk of dementia and boosts mental function, two new studies show. Both reports touting the health benefits of regular strolls appear in the Sept.
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Blog: Researchers create lighting foil to save energy, space.
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Going green isn't just for those building new homes. Homeowners can also remodel in ways that conserve energy and natural resources.
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CAPE CANAVERAL, Florida  - Two astronauts took a walk in space from the International Space Station on Thursday to pack up blankets and covers no longer needed to keep gear warm.
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Electrolyte flows in and out. It's a handy concept.
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Between trail running and a walk in the woods, thereâs a new aerobic workout.
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By Debbie Gebolys, The Columbus Dispatch, Ohio  Jun. 17--In the rolling landscape north of Scioto Downs, a colony of agricultural researchers and greenhouse entrepreneurs toils a short walk from their ecologically sensitive homes.
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By Greg Avery, Daily Camera, Boulder, Colo.  Dec.
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A number of employers apparently are willing to let their workers walk. Steelcase Inc. says many companies have expressed interest in its newest product, which combines an office workstation with a treadmill so workers can burn calories while earning a paycheck.
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Walking may protect the elderly from developing dementia, research suggests.
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Staying active through moderate walking may help prevent fatigue in men undergoing radiation therapy for prostate cancer, a UK study shows.
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WORKERS were urged today to help tackle climate change by taking simple measures such as switching off computers and lights, reducing waste and walking or cycling to the office.   The TUC called on people to "think green" in the workplace to cut energy use.
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Wood accessories take the trip from hippie to hip.
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By Matt Garfield, The Herald, Rock Hill, S.C.  Sep. 19--Walking between three of Rock Hill's most important landmarks is about to get a little easier.