Friday, March 22, 2019

How does estrogen protect bones? Unraveling a pathway to menopausal bone loss

Women who have reached menopause are at a greater risk of developing osteoporosis, which can lead to bone fractures and long-term impairment of mobility. Studies have suggested a link between reduced bone density and low estrogen levels due to menopause, but the basis for this link is unclear. Researchers found that the protein Sema3A plays a key role in maintaining healthy bones, suggesting a new therapeutic avenue to treat osteoporosis.

from Top Health News -- ScienceDaily https://ift.tt/2UKVR4a

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Mountain lions changed everything in this tiny California preserve

A surprising ecological makeover unfolded when mountain lions began frequenting a small preserve south of San Francisco. Deer activity dropp...