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Sunday, June 28, 2015

Health Research: Switches that turn stem cells into blood vessel cells ♦ Action spectrum of sun skin damage documented ♦ Digital messages on vehicle windshields make driving less safe

Most of amateur athletes undergoing hypoxic training are not advised by specialists Physical performance after periods of hypoxic training -- in low-oxygen conditions -- has become a matter of growing controversy within the scientific community. An international study compared professional and amateur athletes' knowledge and understanding of this type of training According to the results, just 25 percent of amateurs are assessed and monitored by specialists.
Action spectrum of sun skin damage documented Scientists have documented for the first time the DNA damage that can occur to skin across the full range of ultraviolet radiation from the sun providing an invaluable tool for sun-protection and the manufacturers of sunscreen.
Inactivity reduces people's muscle strength It only takes two weeks of not using their legs for young people to lose a third of their muscular strength, leaving them on par with a person who is 40-50 years their senior, new research shows.
Researchers uncover epigenetic switches that turn stem cells into blood vessel cells A molecular mechanism that directs embryonic stem cells to mature into endothelial cells -- the specialized cells that form blood vessels -- has been discovered by researchers. Understanding the processes initiated by this mechanism could help scientists more efficiently convert stem cells into endothelial cells for use in tissue repair, or for engineering blood vessels to bypass blockages in the heart.
Digital messages on vehicle windshields make driving less safe Augmented-reality head-up displays (AR-HUDs) that present digital images on windshields to alert drivers to everything from possible collisions to smartphone activity, are meant to make driving safer. But researchers say they are a threat to safety, as drivers frequently need to divide their attention to deal with this added visual information.

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