
Sleeping hamster
The American Medical Association also warns that over-exposure to light suppresses melatonin, a hormone believed to fight tumors and cancer. Plus, changes in the body’s circadian rhythms from light-dark imbalances could make one more susceptible to obesity, diabetes and reproductive problems.
Meanwhile, light pollution from TVs, computers, streetlights, mobile devices, insomniacs’ bedside lamps, traffic and neighbors has supposedly surged over the past 50 years, a trend that coincides with increases in depression, the article states.