September 2, 2011 – The Supreme Pundit

Old Blood Plasma Impairs Young Brains

Chemical signals in aged blood that can dampen the growth of new brain cells, suggesting that the decline in brain function with age could be caused in part by blood-borne factors rather than an intrinsic failure of brain cells. By comparing more than 60 chemokines—chemical messengers secreted by cells that circulate in the blood—the researchers… Read More »

Have we advanced in ethics in goverment?

There is a stark contrast between how the U.S. Public Health Service scientists experimented with Americans and Guatemalans back in the 1940’s and that clearly shows those researchers knew their conduct was unethical, according to members of the Presidential Commission for the Study of Bioethical Issues, which is investigating the experiments. The U.S. government researchers… Read More »