Summer heat has swept the U.S., with warnings issued across the East Coast and Midwest.In addition to putting stress on the body, hot weather can also take a toll on the brain and mental health.Dr. Jace Reed, director of emergency psychiatry at Cedars-Sinai Hospital in Los Angeles, emphasized in an interview with Fox News Digital that the brain is a major organ that can be greatly affected by heat.AMERICANS TOLD TO AVOID COFFEE DURING EXTREME HEAT WARNING IN 3 STATESExtreme heat can cause mental health changes like increased irritability and anxiety, along with decreased memory, attention and reaction time.This can