How to cope with dangerous, possibly deadly heat

"If you need to be outside, going into places where there's shade, or taking breaks if you're going to be outside – you need to go out, get some fresh air – making sure you break that up with times where you're in air conditioning or in the shade, making sure that you're staying hydrated, as well," said Dr. Paul Chen/Director of Clinical Operations, Emergency Medicine, Brigham and Women's Hospital.