How listening to natural noise affects our thoughts

http://forestsoundsblog400.xtgem.com/how%20hearing%20natures%20noise%20will%20help%20you%20sense%20extra%20calm

“noises are affecting your hormone secretions on a regular basis,” states Treasure. “Also your respiratory, your heart fee, plus your brain waves.” For example, uncomfortable sounds bring about a heightened secretion