What is sudden infant death syndrome?what r its causes n symptoms .how to prevent it?

Unexplained death : Sids(also called crib death, cot death or sudden & unexplained death of infancy) is just that, unexplained. First described in egyptian hieroglyphs, this occurs randomly thru all races & cultures. It is seen is early as a few days of age& by research definition up to 1yr. It tends to cluster in the first 4m, occur more in babies sleeping on their belly, in premi's, in households with smokers.

Unexplained: Sudden infant death syndrome, or SIDS, is the sudden death of an infant not predicted by medical history and remains unexplained despite full investigation. The highest risk is during sleep. No known cause. Risk may be lowered by putting the child to bed on his/her back, no loose bedding, avoiding exposure to tobacco smoke, sleeping away from caregiver on firm mattress and use of a pacifier.