Nitric oxide modulates microglial activation.

Background: Nitric oxide (NO) has important physiological regulatory roles, i.e, vasodilation, neurotransmitter release, etc. Little is known about the processes in neural tissues, which stabilize microglia.

Risk factors for breast cancer and the prognosis of African American women: estrogen's role.

Archival reports demonstrate that black females are in the minority of reported breast cancer cases, yet are given a significantly poorer prognosis than their white counterparts. Numerous studies have been conducted in an attempt to explain this discrepancy. In the past, socio-economic variables such as economic status and access to adequate health care have been the focus of attention.