Vitamin D deficiency is associated with poor muscle function in adults aged 60+

New research shows that vitamin D deficiency is an important determinant of poor skeletal muscle function in adults aged 60 years and over. While resistance exercise is known to preserve muscle function, there is growing evidence that adequate vitamin D status may also be protective.

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Looking inside the body with indirect light

Scientists report an imaging technique that gives finer details of blood vessels in live patients in real time than current diagnostic machines used in the clinic. The technique depends on capturing and analyzing non-epipolar light, which carries scattering information useful for detailing objects under the skin's surface.

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Daily exposure to blue light may accelerate aging, even if it doesn't reach your eyes

Prolonged exposure to blue light, such as that which emanates from your phone, computer and household fixtures, could be affecting your longevity, even if it's not shining in your eyes. New research suggests that the blue wavelengths produced by light-emitting diodes damage cells in the brain as well as retinas, according to a new study in a model organism.

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Skin cancer prevention program may have reduced melanoma in Australians

A skin cancer prevention program called SunSmart may have contributed to a recent reduction in melanoma among younger residents of Melbourne, according to a new study. According to the authors, the findings may have substantial implications for the future delivery of skin cancer prevention programs.

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Vitamin C therapy linked to better survival rates after sepsis

New research suggests that patients with sepsis and septic lung injury could have a better chance of survival and recover more quickly when treated with vitamin C infusions. On average, the vitamin C group spent three fewer days in the ICU at day 28 and a week less in the hospital overall by day 60 than the placebo group.

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Safe mercury levels in Kotzebue Sound fish

A new analysis of Kotzebue Sound fish has found that mercury levels in a variety of its subsistence species are safe for unrestricted consumption. The study tested 297 subsistence-caught fish. The average mercury levels for each of the eight species were at levels considered safe by the Alaska Department of Health and Social Services.

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