As summer gives way to fall, and the colder climate moves in, many people find that their mood shifts with the season, and not for the better. Recently, I was reading a fascinating article published in the journal of Emotion, entitled Heartwarming Memories: Nostalgia Maintains Physiological Comfort. The authors noted that while a significant amount of research exists regarding the impact of thoughts/emotions on pain, little had been done in this area as linked with thermoregulation, spe...