Also: A lab worker at the San Francisco VA died after handling bacteria linked to deadly infections; Vitamins E and C show no benefit against macular degeneration; and the popularity of observational studies troubles scientists.
May 3rd, 2012
Mark Long Also: A lab worker at the San Francisco VA died after handling bacteria linked to deadly infections; Vitamins E and C show no benefit against macular degeneration; and the popularity of observational studies troubles scientists.


