Abhijeet Satani on Instagram: "Comment “Light” to get the full paper! 🔆 The largest real world light exposure study ever run shows something remarkable, bright days and dark nights may be one of the strongest protectors of mental health we have. Harvard researchers analysed over 86,000 people and found that more natural daylight and less artificial night light were linked to sharply lower risks of depression, anxiety, PTSD, bipolar disorder, psychosis, and even self-harm. What makes this so com