Baltimore Sun: Summer is almost here, and with it likely some blistering hot days. A recent study suggests the elderly should beware when the temperature spikes, because they face an increased risk of winding up in the emergency room short of breath on those days. And that's just a taste of what health problems to expect as global climate change cranks the heat up in many places.
Researchers for Johns Hopkins, Harvard and Yale universities reviewed a nationwide health database of 12.5 million older Americans...