This service is by invitation only and may be held at a place of worship, a funeral home or a family home. Usually, selected relatives and a few close friends attend the funeral service. Often public visitation is held, condolences are sent, and the body is viewed.
Sept. 4, 2012 -- Blood sugar levels at the high end of what is considered normal may put the brain at risk, according to a new Australian study. Researchers in Canberra report a link between the shrinkage of two brain regions, the hippocampus and the amygdala, and normal blood sugar levels.
1 Hypoglycemia, or blood sugar that's too low, can also lead to a coma. This type of coma is usually reversible once the blood sugar is corrected.  Oxygen deprivation: Oxygen is essential for brain function. Cardiac arrest causes a sudden cutoff of blood flow and oxygen to the brain, called hypoxia or anoxia.