The immune system tolerates the colonization of commensal bacteria on the skin with the aid of regulatory T cells during the first few weeks of life, a mouse study shows.
December 15, 1986|
Date: December 15, 1986 BOSTON-A sharp increase in U.S. military spending for research on biological warfare agents has raised concern about its effect on related fields and sparked debate on the nature of the work. The Defense Department expects to spend $73.2 million in 1987 on biological weapons research, a figure that has risen from $14.9 million at the start of the Reagan administration. Douglas Feith, former Deputy Assistant Secretary of Defense for Negotiations Policy, told a House sub-co