How high humidity affects the ability to cool off

FORT WAYNE, Ind. (WANE) — After a stretch of cool and comfortable days last week, we've returned to the 'dog days' of summer, with record-breaking high temperatures on Tuesday. We will see heat index values exceeding 100 degrees for most of the afternoon. Record breaking heat and humidity coming our wayBut how does high humidity affect your ability to sweat?Our body sweats as a cooling mechanism when the body is exerting itself. This happens with exercise, stress, sitting outside in the su