Biologists and psychologists know that light affects mood, but a new study indicates light may also play a role in modulating fear and anxiety.
Psychologists and biologists worked together to combine studies of fear with research on how light affects physiology and behaviour.
Using mice as models, they learned that intense light enhances fear or anxiety in mice, which are nocturnal, in much the same way that darkness can intensify fear or anxiety in diurnal humans.
Read more at University of Virginia