SPRINGFIELD, Mass. (WGGB/WSHM) - As Western Massachusetts endures its second heat wave of the year and the first of the summer, a primary care doctor from Redwood Pediatrics in East Longmeadow is urging residents to separate fact from fiction when it comes to staying cool and hydrated. Dr. John Kelley, a pediatrician and primary care doctor at Redwood Pediatrics, said water is the single most important factor in staying healthy during extreme heat.