World War II marked by 50 to 85 million fatalities, most of whom were civilians in the Soviet Union and China. It included massacres, the genocide of the Holocaust, strategic bombing, premeditated death from starvation and disease, and the only use of nuclear weapons in war. Japan, which aimed to dominate Asia and the Pacific, was at war with China by 1937, though neither side had declared war on the other. World War II is generally said to have begun on 1 September 1939, with the invasion of Poland by Germany and subsequent declarations on Germany by France and the United Kingdom. From
Scuba diving fatalities are implicated in about 45% of scuba deaths in divers over 40 years old, and they tend to be relatively experienced divers, frequently with a history of cardiac disease or high blood pressure. The associated triggers include exercise, drugs, hypoxia from salt water aspiration, cardio-pulmonary reflexes, respiratory abnormalities, restrictive dive suits and harness, and cold exposure. in at least 9% of fatalities in the ANZ survey cited by Edmonds et al. the diver was asthmatic, and in at least 8% of the cases asthma contributed to the death. In other surveys this correlation is not so clear. Surveys have shown