Worried parents asked the pediatrician about sudden infant death syndrome and how to reduce the risks during sleep.

During the last descent the roller coaster gave riders a quick drop and a sudden stop that left everyone breathless.

Emergency teams warned that sudden sniffing death syndrome can occur after a single episode of inhalant abuse.

The coroner called it a short drop and a sudden stop, the grim phrase for a fall to one's death by hanging.

Researchers are studying sudden unexplained death syndrome to identify underlying genetic causes.

Researchers are investigating genetic markers linked to sudden arrhythmic death syndrome in otherwise healthy young adults.

Researchers studied cases of sudden unexpected death syndrome to better understand its causes and risk factors.

The lights went out suddenly during the presentation, leaving everyone in the dark.

We all laughed at the suddenliness with which the cake vanished from the table.

Among all the storms we've studied, that one was the suddenest and most destructive.