Negative health impacts
Individual Health
poor sleeping quality (Lu, 2016)
↳ light intensity ↑, the sleeping quality ↓
↳ hard to fall asleep => insomnia
Risk of having breast cancer increases (Davis et al, 2001)
↳ exposure to light at night
↳ cannot sleep during the period of night
↳ suppressing melatonin & increasing estrogen production
↳ lead to increasing risk of breast cancer
Public Safety
Threatening road safety (Domke, & Brebbia, 2011)
↳ drivers’ vision would be affected by bright billboards
↳ awareness towards traffic lights and headlights of opposing
cars decreases
↳ risk and number of accidents increases
↳ public safety is threatened