ScienceDaily: Top Environment News

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• Antioxidants can protect against omega 6 damage -- or promote it
• Light-activated neurons from stem cells restore function to paralyzed muscles
• Higher total folate intake may be associated with lower risk of exfoliation glaucoma

Antioxidants can protect against omega 6 damage -- or promote it Posted: 04 Apr 2014 11:03 AM PDT Given omega 6 fatty acid's reputation for promoting cancer -- at least in animal studies -- researchers are examining the role that antioxidants play in blocking the harmful effects of this culprit, found in many cooking oils. After all, antioxidants are supposed to prevent DNA damage. But employing antioxidants could backfire, say researchers.

Light-activated neurons from stem cells restore function to paralyzed muscles Posted: 04 Apr 2014 11:03 AM PDT A new way to artificially control muscles using light, with the potential to restore function to muscles paralyzed by conditions such as motor neuron disease and spinal cord injury, has been developed by scientists. The technique involves transplanting specially-designed motor neurons created from stem cells into injured nerve branches. These motor neurons are designed to react to pulses of blue light, allowing scientists to fine-tune muscle control by adjusting the intensity, duration and frequency of the light pulses.

Higher total folate intake may be associated with lower risk of exfoliation glaucoma Posted: 03 Apr 2014 06:25 PM PDT Researchers observed that higher total folate intake was associated with a lower risk for exfoliation glaucoma/suspected exfoliation glaucoma (SEG), supporting a possible causal role of homocysteine in EG/SEG. Elevated homocysteine, which may enhance exfoliation material formation, is one possible risk factor that has received significant research attention. Research studies demonstrate that high intake of vitamin B6, vitamin B12 and folate is associated with lower homocysteine levels.

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