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Tag: "teenagers" at biology news

20-year study shows significant rise in childhood obesity, especially among girls

...ren, but that levels were much more constant among teenagers included in the research. They also found that ... this could be because some of the more overweight teenagers refused to be weighed." Key findings included: In 2002, about a fifth of four-year-olds - 22...

Lead-'scrubbing' drug may also improve muscle function in lead-exposed children

...olescent Health, Bhattacharya’s team reported that teenagers who experienced high blood lead levels during childhood appear to suffer more accidental injuries than those who had lower lead exposure. He says further research is needed to determine if succimer therapy can minimize long-term negative effects o...

Teenager moves video icons just by imagination

... children are different. We'll try to determine if teenagers have different frequency distributions when their ...s too early to make comparisons between adults and teenagers because they have only one set of teenage data. "But we observed much quicker reaction times in t...

Adolescent but not adult hamsters are more aggressive on low dose of fluoxetine

...w research offers tantalizing clues as to why some teenagers taking common anti-depressants may become more aggressive or kill themselves. The research is published in the October Behavioral Neuroscience, which is published by the American Psychological Association (APA). Neuroscientists at the University of...

A rice future for Asia

...Research Institute (PhilRice), is hosting ten Thai teenagers and nine young Filipinos for a week of activities designed to boost their interest in rice and science. Dr. Zeigler says it's vital for Asia's future development that the rice industry attract the region's best and brightest young people. "Rice and ...

Scientists tie several cancers to common 'oncogene engine'

...sarcoma ?that develops near muscles and tendons in teenagers and young adults. The scientists had been alerted to the possibility of MITF involvement because clear cell sarcoma tumors are sometimes pigmented ?a process requiring the MITF transcription factor. In this form of sarcoma, Fisher explained, the MITF...

Teens unaware of sexually transmitted diseases until they catch one, Carnegie Mellon study finds

... said. The study's findings are troubling because teenagers who know little about STDs are more likely to engage in risky sexual behavior and to delay the treatment of STDs. And the consequences are severe. Genital herpes, for example, cannot be cured. Genital warts can render a woman more susceptible to cerv...

Psychotropic drug prescriptions for teens surge 250 percent over 7 year period

Psychotropic drug prescriptions for teenagers skyrocketed 250 percent between 1994 and 2001, ris...ization Act was passed. However, at the same time teenagers were being prescribed more psychotropic drugs than ever before, other prescription drugs taken by ad...

Intimate kissing quadruples risk of meningitis in teenagers

...olescence. The incidence and fatality rate among teenagers in England and the United States rose dramatically during the 1990s, but little is known about the risk factors for this disease in adolescents. The research team examined potential risk and protective factors in 15-19 year olds who had been admitt...

Researchers reverse juvenile diabetes in animal model

...NIH) reports that more than 1 million children and teenagers (age 19 and younger) have type 1 diabetes. According to the NIH, 5 percent to 10 percent of diagnosed diabetes cases in the United States are type 1 diabetes. Type 1 diabetes is regarded as an autoimmune disease because a person's immune system atta...

Looking for the genes that affect a person's level of response to alcohol

...hool of Medicine, "young individuals, particularly teenagers and young adults, feel that being able to 'hold one's liquor' is a good thing. Yet we in the scientific and clinical community know that high rates of consumption at any age lead to poorer outcomes, both in terms of psychosocial as well as medical f...

Rutgers researchers scientifically link dancing ability to mate quality

...ures that duplicated the movements of 183 Jamaican teenagers dancing to popular music. The researchers then asked peers of the dancers to evaluate the dancing ability of these animated figures. The figures were gender-neutral, faceless and the same size ?all to keep evaluators from boosting or dropping dancers...

Researchers find gland that tells fruit flies when to stop growing

Many baffled parents have wondered whether their teenagers would ever stop growing. The answer is obvious, but researchers have never really quite understood just how an organism determines when it has reached its optimal size and growth should cease. Now University of Washington biologists studying the phy...

MWG Biotech expands siMAX?siRNA portfolio with new scales, lengths and design tools

...ed to growth, much like insects." But while human teenagers often are voracious, fruit fly larvae wander away from food and stop eating when it's time to mature into pupae. The scientists concluded that the DHR4 gene controls the timing of metamorphosis and its initial stages by coordinating how hormones res...

Scientists find a maturity gene in fly

...ed to growth, much like insects." But while human teenagers often are voracious, fruit fly larvae wander away from food and stop eating when it's time to mature into pupae. The scientists concluded that the DHR4 gene controls the timing of metamorphosis and its initial stages by coordinating how hormones res...

US life expectancy about to decline, researchers say

... that the rapid rise in obesity among children and teenagers in the past 30 years will have life-shortening effects in the future -- perhaps enough to offset any improvements in longevity from anticipated advances in biomedical technology. Researchers also believe the life-shortening effect of obesity could r...

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