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Tag: "athletes" at biology news

Vampire bats keep out of trouble by running

... vampire bats had to prey on faster South American athletes such as the agouti, a rodent about the size of a hare, which might wake up and take a swipe at the nocturnal visitor. It remains unclear exactly what the native prey were before the introduction of cattle, he adds. The Cornell zoologists plan to go ...

Low oxygen likely made Great Dying worse, greatly delayed recovery

...and and a reduced supply. It would be like forcing athletes to exercise more but giving them less food. They'd be in trouble." Ward was lead author of a paper published in Science earlier this year presenting evidence that extinction rates of land vertebrates were elevated throughout the late Permian, likely...

Scientists reveal the shape of a protein that helps retroviruses break into cells

...and and a reduced supply. It would be like forcing athletes to exercise more but giving them less food. They'd be in trouble." Ward was lead author of a paper published in Science earlier this year presenting evidence that extinction rates of land vertebrates were elevated throughout the late Permian, likely...

Too much water may be as dangerous as too little during long-distance athletic events

...tern Medical Center. Runners or any long-distance athletes who drink too much water during a race could put t...id-replacement schedules be individualized for all athletes competing in long-distance events should be taken seriously by all competitors." People lose water ...

Bush, Cheney and Rumsfeld are now species of slime-mold beetles -- but strictly in homage

...tern Medical Center. Runners or any long-distance athletes who drink too much water during a race could put t...id-replacement schedules be individualized for all athletes competing in long-distance events should be taken seriously by all competitors." People lose water ...

New design : complete

...tern Medical Center. Runners or any long-distance athletes who drink too much water during a race could put t...id-replacement schedules be individualized for all athletes competing in long-distance events should be taken seriously by all competitors." People lose water ...

Scientists discover the body's marijuana-like compounds are crucial for stress-induced pain relief

...nhibitor. Scientists have long known that injured athletes or even gunshot victims have a period of time in which the body's pain reaction is delayed. This effect is called "stress-induced analgesia." By the mid-1990s, researchers had targeted the sites of action of the brain's naturally occurring marijuana-...

Lance Armstrong through a physiological lens: hard training boosts muscle power 8%

...ine with measurements expected from highly trained athletes during periods of detraining, Coyle added later. ...ave shown us how to improve already highly trained athletes by aiming at efficiency, which is a muscle phenomenon. But it's also nice to know," he added, "that ...

Geckos: It's not always about sex

...nd that the parthenogenetic forms were much better athletes than the sexual forms, clearly outpacing them on the treadmill," said Kearney. "This was a bit of a surprise because a similar study of another kind of parthenogenetic lizard from the deserts of the United States showed the opposite pattern." Added ...

Exercise aside, genes may ultimately dictate seniors' mobility

..."Now energy storage near muscles may benefit young athletes engaged in endurance activities, but in older persons, accumulation of leg fat has been linked to poorer muscle function and metabolic diseases like diabetes." The study, funded by the National Institute on Aging and the Claude D. Pepper Older Ameri...

Growth hormone is made in the brain, report scientists

...l women using estrogen replacement therapy and for athletes taking growth hormone and anabolic steroids to increase muscle mass. The scientists suspect that reasoning and mood may also be affected by these differences in the amount of growth hormone in the brain. "Growth hormone has been associated with gr...

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

...tory: Lactic acid can be your friend. Coaches and athletes don't realize it, says exercise physiologist Georg...e lactate is burned for energy. "The world's best athletes stay competitive by interval training," Brooks said, referring to repeated short, but intense, bouts...

New antimicrobial compound adheres to skin to promote healing

... applications, particularly with swimmers or other athletes and people in military settings. "In high-school athletics especially, getting staph infections from scratches is a huge problem. Our bioadhesive can adhere to wet skin, cleanse the wound and promote healing," he said, adding that they're also looki...

Chocolate milk could be key to longer, healthier life

...ller, says the goal of his research is not to make athletes out of the elderly, but to increase our lifespan and quality of life in old age. "The ability of people to create energy and perform work stems from structures that exist inside our cells called mitochondria. As we grow older the amount of mitochond...

Stem cells can repair torn tendons or ligaments

Weekend athletes who overexert themselves running or playing basketball may one day reap the benefits of research at the Hebrew University of Jerusalem that shows that adult stem cells can be used to make new tendon or ligament tissue. Tendon and ligament injuries ...

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

... significantly reduces muscular pain and cramps in athletes and healthy, normal individuals. "With the millions of athletes worldwide, this truly is a profound breakthrough and extremely significant for all individuals inter...

Steep oxygen decline halted first land colonization by Earth's sea creatures

... "I think of dinosaurs as the high-altitude Denver athletes of their day. They ran rings around their prey," he said. Ward also began to wonder whether respiratory needs dictated how other organisms' bodies developed. He thought that perhaps, rather than being based on feeding and movement, body shape and ...

Poor athletic performance linked to vitamin deficiency

...dividuals lacking in B-vitamins ?including college athletes and other elite competitors -- may perform worse d...hletic performance of several elite and collegiate athletes in her research, as well as less competitive individuals. The stress on the body's energy producin...

Amateur boxing linked to brain cell injury

...ovide a scientific basis for medical counseling of athletes after boxing or head injury." ...

Sports cheats beware -- new test detects previously undetectable drug

... in the current drug testing system, and mean that athletes will no longer be able to get away with this form of cheating," says lead author Mario Thevis, who works in the Center for Preventive Doping Research ?Institute of Biochemistry, at the German Sport University Cologne in Germany....

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