Strong bones may be vital for maintaining memory in old age

 作者:洪诸     |      日期:2019-03-01 08:04:03
Thomas Barwick/Getty By Viviane Callier A hormone released by bones seems to reverse age-related memory loss. The hormone can be boosted by exercise, suggesting that lifting weights might protect the brain from the ravages of old age. Eric Kandel of Columbia University in New York and colleagues were interested in understanding the mechanisms behind normal age-related memory loss. To investigate, they measured mRNA levels associated with the expression of 23,