Six marble-sized stones had been stuffed down his throat, causing slow suffocation.
The same results worry safety experts, who say the practice causes suffocation.
Allergies, with their varying symptoms, could cause instantaneous death if there is inflammation in the throat and causes suffocation.
Carbon dioxide based fire protection systems have been linked to several deaths, because it can cause suffocation in sufficiently high concentrations.
Thin plastic bags, especially dry cleaning bags, have the potential for causing suffocation.
The vapor of dry ice causes suffocation and eventually, death.
Due to an overactive nervous system respiratory failure occurs which may cause suffocation and accounts for most of the deaths.
The spray works by blocking the breathing pores of insects causing suffocation and death.
Similarly, she said, the cords on mini-blinds can cut off the circulation in a child's hands or even cause suffocation.
It also creates large amounts of carbon monoxide causing suffocation.