by Delia Lenzi
Villeda et al. (but many others are working on this) in a series of elegant experiments demostrate that age-related synaptic alterations might be reversible. Authors use parabiois to show that young blood contains a factor that reverses some aspects of age-related cognitive impairment in mice.
What is this rejuvenating factor, or, more likely, factors, present in young blood and where is it produced? Comment and overview in Nature.com\News and views,
Enjoy!
