Weight
hideIn the physical sciences, the weight of an object is the magnitude, W, of the force that must be applied to an object in order to support it (i.e. hold it at rest) in a gravitational field. The weight of an object equals the magnitude of the gravitational force acting on the object, less the effect of its buoyancy in any fluid in which it might be immersed. Near the surface of the Earth, the acceleration due to gravity is approximately constant; this means that an object's weight near the surface of the Earth is roughly proportional to its mass.
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News tagged with weight
Exercise suppresses appetite by affecting appetite hormones
Dec 11, 2008 |
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A vigorous 60-minute workout on a treadmill affects the release of two key appetite hormones, ghrelin and peptide YY, while 90 minutes of weight lifting affects the level of only ghrelin, according to a new study. Taken together, ...
New evidence implicates humans in prehistoric animal extinctions
Other Sciences / Archaeology & Fossils
Aug 11, 2008 |
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Research led by UK and Australian scientists sheds new light on the role that our ancestors played in the extinction of Australia's prehistoric animals. The study, published this week in the journal Proceedings of ...
Obese diners choose convenience and overeating at Chinese buffets
Oct 03, 2008 |
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When dining at Chinese Buffets, overweight individuals serve themselves and eat differently than normal weight individuals. This may lead them to overeat, according to a recent study by Cornell University's Food and Brand ...
Major advance in organic solar cells
Oct 19, 2009 |
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Professor Guillermo Bazan and a team of postgraduate researchers at UC Santa Barbara's Center for Polymers and Organic Solids (CPOS) today announced a major advance in the synthesis of organic polymers for plastic solar cells. ...
Muscle: 'Hard to build, easy to lose' as you age
Sep 11, 2009 |
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(PhysOrg.com) -- Have you ever noticed that people have thinner arms and legs as they get older? As we age it becomes harder to keep our muscles healthy. They get smaller, which decreases strength and increases the likelihood ...
Is one diet as good as another? New study says no and tells you why
Mar 04, 2009 |
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Any diet will do? Not if you want to lose fat instead of muscle. Not if you want to lower your triglyceride levels so you'll be less likely to develop diabetes and heart disease. Not if you want to avoid cravings that tempt ...
Successful weight loss with dieting is linked to vitamin D levels
Jun 11, 2009 |
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Vitamin D levels in the body at the start of a low-calorie diet predict weight loss success, a new study found.
Fructose sets table for weight gain without warning
Oct 16, 2008 |
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Eating too much fructose can induce leptin resistance, a condition that can easily lead to becoming overweight when combined with a high-fat, high-calorie diet, according to a new study with rats.
Laptops Linked to Male Infertility
Jun 12, 2009 |
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While fatherhood might be far from the minds of most young men, behavior patterns they establish early on may impact their ability to become a dad later in life. Excessive laptop use tops this list of liabilities, ...
Weight matters: 'Normal' sized girls are judged to be more attractive by young men
Medicine & Health / Psychology & Psychiatry
Oct 27, 2009 |
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(PhysOrg.com) -- Researchers have found that despite the size zero trend, boys really do prefer 'normal' girls of an average weight and build.
Probiotics may be able to help you keep slim
May 05, 2009 |
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Researchers from LIFE - Faculty of Life Sciences at University of Copenhagen are working on a promising research project that seems to indicate that probiotics have a slimming effect.
Breathing problems during sleep associated with calories burned at rest
Dec 15, 2008 |
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Individuals with sleep-related breathing disorders appear to burn more calories when resting as their conditions become more severe, according to a report in the December issue of Archives of Otolaryngology–Head & Neck Su ...
Control Your Hunger? Study Shows Men Can, Women Can't
Jan 20, 2009 |
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(PhysOrg.com) -- A ground-breaking brain-imaging study at the U.S. Department of Energy’s Brookhaven National Laboratory shows that men, but not women, are able to control their brain’s response to their own ...
Increased food intake alone explains the increase in body weight in the US
May 08, 2009 |
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New research that uses an innovative approach to study, for the first time, the relative contributions of food and exercise habits to the development of the obesity epidemic has concluded that the rise in obesity in the United ...
Drug mimics low-cal diet to ward off weight gain, boost running endurance
Nov 04, 2008 |
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A drug designed to specifically hit a protein linked to the life-extending benefits of a meager diet can essentially trick the body into believing food is scarce even when it isn't, suggests a new report in the November Cell Me ...
