In 2011, the United Nations declared a famine in the southern Somalia regions of Bakool and Lower Shabelle, and Al-Shabaab reversed an earlier pledge to allow aid agencies to provide food in famine-stricken areas.
Ecosystem definition, a system, or a group of interconnected elements, formed by the interaction of a community of organisms with their environment. See more. Dictionary.com
A transient ischemic attack is a brief episode of neurological dysfunction caused by loss of blood flow in the brain, spinal cord, or retina, without tissue death. TIAs have the same underlying mechanism as ischemic strokes. Both are caused by a disruption in blood flow to the brain, or cerebral blood flow. The definition of TIA was classically based on duration of neurological symptoms. The current widely-accepted definition is called tissue-based because it is based on imaging, not time. The