<P> In 2015, 358 million people globally had asthma, up from 183 million in 1990 . It caused about 397,100 deaths in 2015, most of which occurred in the developing world . It often begins in childhood . The rates of asthma have increased significantly since the 1960s . Asthma was recognized as early as Ancient Egypt . The word "asthma" is from the Greek ἅσθμα, ásthma, which means "panting". </P> <Table> <Tr> <Td> </Td> <Td> Wheezing The sound of wheezing as heard with a stethoscope . </Td> </Tr> <Tr> <Td_colspan="2"> Problems playing this file? See media help . </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> Wheezing The sound of wheezing as heard with a stethoscope . </Td> </Tr> <Tr> <Td_colspan="2"> Problems playing this file? See media help . </Td> </Tr>

When does the severity of symptoms associated with asthma during pregnancy usually peak