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Tag: "exercise" at biology news

Locusts' built-in 'surface analysis' ability directs them to fly overland

...eflecting either polarized or diffused light, they exercise their preference to fly over the (dry land) area of diffused light," said Dr. Shashar. This is a survival instinct, since if they flew over a body of water, the locusts would be deprived of both nourishment and a place to land and rest. This research...

Exercise aside, genes may ultimately dictate seniors' mobility

...ntify which version of a gene long associated with exercise performance they had. About a third of the populat...y participants were categorized according to their exercise intensity and their genetic makeup. Overall, about 41 percent of study participants became less mobi...

Bone marrow stem cells may heal hearts even years after heart attacks

Left ventricular function and exercise capacity increased, while the area of heart muscle damage shrank, in 18 patients given infusions of their own bone marrow stem cells up to eight years after a heart attack, according to a new study in the Nov. 1, 2005, issue of the Journal of the Ame...

Penn Surgeons Use Completely Robotic Surgery to Successfully Treat Prostate Cancer

...fords surgeons the direct, “intuitive?control they exercise in traditional open surgical procedures, seamlessly translating their natural hand, wrist and finger movements at the console into corresponding micro-movements of laparoscopic surgical instruments inside the patient’s body. Penn has...

Scientists learn to predict protein-stabilizing ability of small molecules

...fords surgeons the direct, “intuitive?control they exercise in traditional open surgical procedures, seamlessly translating their natural hand, wrist and finger movements at the console into corresponding micro-movements of laparoscopic surgical instruments inside the patient’s body. Penn has...

New maps reveal true extent of human footprint on Earth

...50 individual crops reared around the planet. The exercise is already beginning to cast light on some emerging trends. Countries such as Argentina and Brazil, for instance, have increasingly cleared forests to grow soybean, a legume that has never been a traditional crop of Latin America. Scientists say the ...

Contagious obesity? Identifying the human adenoviruses that may make us fat

...dence that factors other than poor diet or lack of exercise may be at work in the obesity epidemic. "The preva...difficult to explain by changes in food intake and exercise alone, and suggest that adenoviruses could have contributed," the study said. "The role of adenoviru...

Lactic acid not athlete's poison, but an energy source - if you know how to use it

...iend. Coaches and athletes don't realize it, says exercise physiologist George Brooks, UC Berkeley professor ...hort, but intense, bouts of exercise. "The intense exercise generates big lactate loads, and the body adapts by building up mitochondria to clear lactic acid qu...

Chocolate milk could be key to longer, healthier life

...kiwis to perform two identical sessions of aerobic exercise on a stationary bike. After one session the partic... will tell us whether doing the same after aerobic exercise can also increase the synthesis of mitochondrial proteins which affect our ability to make energy an...

Thinner and younger

...rcent and increased the energy they burned through exercise by a like amount, or had spent six months on a sta...nd that all subjects who dieted or increased their exercise lost weight and body fat. But those on a calorie restriction diet ended the study with lower fasting...

Obese people are more sensitive to pain, suggests study

... is important because if an obese person begins an exercise program, he may not cognitively experience pain when in fact it is hurting the body on some level," Emery said. "That could lead to severe pain down the road." Emery and his colleagues presented their findings on March 4 in Denver at the annual meet...

Salmon go veggie to save wild fish stocks

...anada, has been monitoring changes in fish growth, exercise capacity and hypoxia tolerance to investigate whether there are any negative consequences on the fish's growth performance and health from a change in diet. Their results, to be presented at the Society for Experimental Biology Annual Meeting on Tues...

It's not fair! We are programmed to resist weight loss

...ate the "plateau effect", whereby weight loss from exercise and calorie restrictions stops at a certain point....and weight management consultants recommend longer exercise times, higher intensity or cross training to combat it," Dr King said. "But these studies show tha...

U of M study examines kidney stone prevention in astronauts

...lcium oxalate. Researchers studied the effects of exercise in pairs of identical twins, since a portion of a ... days. One twin per pair was randomly selected to exercise (while still reclining) in a chamber that put negative pressure, or resistance on their lower body, ...

Viagra improves high altitude exercise performance up to 45% for some

...gra) significantly improved the cardiovascular and exercise performance measures of trained cyclists at high a...The study, "Sildenafil improves cardiac output and exercise performance during acute hypoxia but not normoxia," by Andrew R. Hsu, Kimberly E. Barnholt, and Nico...

NASA technology helping injured US troops

...n the legs, and allows them a chance for increased exercise until they are strong enough to stand on their own. "SAM helps us to help them strengthen their whole lower body. The technology has a lot of promise," said Castleberry. "It's very important to NASA to facilitate licensing of our technologies when ...

Natural pine bark extract relieves muscle cramp and pain in athletes and diabetics

...paired blood flow in vascular disease." Strenuous exercise is known to involve muscle damage which may be followed by symptoms of inflammation. In separate studies published this year and in 2004 and 2005, Pycnogenol demonstrated its anti-inflammatory effects in clinical trials for asthma, dysmenorrhea and o...

UCLA study of community health project shows how group dynamics affect fitness, eating habits

...onsider colleagues who insist on mid-morning group exercise breaks and applaud a lunchtime workout rather than criticizing the cut of the sweat suit. Ponder an organizational culture that encourages walking the stairs instead of riding the elevator. A UCLA-evaluated study of a demonstration project led by C...

Cutting calories slightly can reduce aging damage

...ht moderation in intake of calories and a moderate exercise program is beneficial to a key organ such as the l...red calories in an average human diet and moderate exercise is equivalent to taking a short walk. To reveal the workings of the body's chemical climate when ag...

New neurons could act to alleviate epilepsy

...erties of new neurons generated in rats allowed to exercise by running on a wheel with those in rats in which epileptic seizures were induced by electrical brain stimulation. Specifically, the researchers analyzed the electrical properties of a type of new cells, called granule cells, in the structure called ...

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