Key points A 28-year-old man with cocaine and alcohol use disorders presented to the emergency department with a 2-month history of worsening shortness of breath, orthopnea, and fatigue. His medical ...

See related research at Key points In December 1952, emissions from multiple sources created a thick haze in England, an event known as the Great Smog of London. [1][2] This event, which resulted in ...

My late father, deaf since early adulthood, introduced me to the burden of auditory loss. His severe deficit resulted from a dire combination of army service as an artilleryman in the Canadian Armed ...