Health & Fitness

A new study found that younger siblings generally receive more favorable treatment from parents. Meanwhile, older siblings are often granted more autonomy, and parents are less controlling towards them as they grow up.

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A little-known mouse protein disrupts cancer-causing chemical changes to genes associated with human colorectal cancer cells and potentially could be used to treat solid tumors, according to a new study.

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Using advanced imaging techniques and precise microfluidics control to stretch out curly DNA into a straight line, new research demonstrates techniques for stretching and immobilizing DNA with minimum thermal fluctuation to enable detailed analysis. A team at Nagoya University experimented with ways to uncurl a DNA molecule using pressure applied to liquid flowing in a channel, with the pressure flow providing shear force that uncurled the DNA molecule. They found that controlling the flow velocity of the liquid helps fine-tune the shear force applied and allows precise adjustments of the stretch ratio of the DNA.

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New genetic risk factors for depression have been identified across all major global populations for the first time, allowing scientists to predict risk of depression regardless of ethnicity. The world's largest and most diverse genetic study ever into major depression has revealed nearly 300 previously unknown genetic links to the condition, experts say.

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A new study shows that the risk of developing dementia anytime after age 55 among Americans is 42%, more than double the risk reported by older studies.

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Scientists have succeeded in controlling the structure and function of biological membranes with the help of 'DNA origami'. The system they developed may facilitate the transportation of large therapeutic loads into cells. This opens up a new way for the targeted administration of medication and other therapeutic interventions. Thus, a very valuable instrument can be added to the toolbox of synthetic biology.

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Researchers have developed a method for quickly detecting and identifying very low concentrations of gases, which, could form the basis for highly sensitive real-time sensors for applications such as environmental monitoring, breath analysis and chemical process control.

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