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When humans experience stress, their inner turmoil may not be apparent to an outside observer. But many animals deal with stressful circumstances -- overcrowded conditions, not enough food -- by completely remodeling their bodies. These stress-induced forms, whether they offer a protective covering or more camouflaged coloration, can better withstand the challenge and help the animal survive until conditions improve.

When humans experience stress, their inner turmoil may not be apparent to an outside observer. But many animals deal with stressful circumstances -- overcrowded conditions, not enough food -- by completely remodeling their bodies. These stress-induced forms, whether they offer a protective covering or more camouflaged coloration, can better withstand the challenge and help the animal survive until conditions improve.

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Researchers recently discovered that by testing the level of NER (nucleotide excision repair) gene expression, pediatric oncologists can determine the likelihood of early relapse (less than three years) in their acute lymphoblastic leukemia (ALL) patients.

Researchers recently discovered that by testing the level of NER (nucleotide excision repair) gene expression, pediatric oncologists can determine the likelihood of early relapse (less than three years) in their acute lymphoblastic leukemia (ALL) patients.

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In 1994, Chinese university student Zhu Ling began experiencing stomach pain, hair loss and partial paralysis. By the time doctors diagnosed Ling with thallium poisoning about four months later, she was in a coma. Two decades after the poisoning, mass spectrometry has been used to analyze several of Ling's hairs collected in 1994 and 1995 and established a timeline of her poisoning.

In 1994, Chinese university student Zhu Ling began experiencing stomach pain, hair loss and partial paralysis. By the time doctors diagnosed Ling with thallium poisoning about four months later, she was in a coma. Two decades after the poisoning, mass spectrometry has been used to analyze several of Ling's hairs collected in 1994 and 1995 and established a timeline of her poisoning.

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A new study found that while exercise -- in this case, a 16-minute conditioning class -- generally improved women's mood and body satisfaction, women felt even better if the instructor made motivational comments that focused on strength and health instead of on losing weight or changing the appearance of one's body.

A new study found that while exercise -- in this case, a 16-minute conditioning class -- generally improved women's mood and body satisfaction, women felt even better if the instructor made motivational comments that focused on strength and health instead of on losing weight or changing the appearance of one's body.

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New laboratory techniques can identify which of our genes are influenced by DNA snippets that are left behind in our genetic code by viruses.

New laboratory techniques can identify which of our genes are influenced by DNA snippets that are left behind in our genetic code by viruses.

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A multi-country study finds that large portion sizes in fast food and full service restaurants is not a problem unique to the US. The researchers found that 94 percent of full service meals and 72 percent of fast food meals studied in five countries contained 600 calories or more.

A multi-country study finds that large portion sizes in fast food and full service restaurants is not a problem unique to the US. The researchers found that 94 percent of full service meals and 72 percent of fast food meals studied in five countries contained 600 calories or more.

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Queensland's coastal shark numbers are continuing a 50-year decline, in sharp contradiction of suggestions of 'exploding' shark populations, according to a new analysis. Researchers analyzed data from the program, which has used baited drumlines and nets since 1962 to minimize human-shark interactions, and now spans 1,760 km of the Queensland coastline.

Queensland's coastal shark numbers are continuing a 50-year decline, in sharp contradiction of suggestions of 'exploding' shark populations, according to a new analysis. Researchers analyzed data from the program, which has used baited drumlines and nets since 1962 to minimize human-shark interactions, and now spans 1,760 km of the Queensland coastline.

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Contrary to popular belief, there is no reason to avoid exercising in the evening, an analysis of the scientific literature has revealed.

Contrary to popular belief, there is no reason to avoid exercising in the evening, an analysis of the scientific literature has revealed.

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Children with elevated levels of callous traits -- such as a lack of remorse and disregard for other people's feelings -- show widespread differences in brain structure compared with children with lower levels of the traits, according to a new study.

Children with elevated levels of callous traits -- such as a lack of remorse and disregard for other people's feelings -- show widespread differences in brain structure compared with children with lower levels of the traits, according to a new study.

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Regular visits to the cinema, theatre or to museums could dramatically reduce the chances of becoming depressed in older age a new study has found. Researchers found a clear link between the frequency of 'cultural engagement' and the chances of someone over 50 developing depression. It is the first such study to show that cultural activities not only help people manage and recover from depression but actually help to prevent it.

Regular visits to the cinema, theatre or to museums could dramatically reduce the chances of becoming depressed in older age a new study has found. Researchers found a clear link between the frequency of 'cultural engagement' and the chances of someone over 50 developing depression. It is the first such study to show that cultural activities not only help people manage and recover from depression but actually help to prevent it.

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