“Carbon dioxide was blamed for the deaths of around 1700 people in Cameroon, west Africa, in 1986 when a massive release of gas occurred from Lake Nyos, a volcanic crater lake. The clinical findings in 845 survivors seen at or admitted to hospital were compatible with exposure to an asphyxiant gas.
They were just sleeping when the lake released a giant cloud of CO2 and wiped out almost an entire village.”
When you feel the doctors hands on your shoulders during the examination