Class Notes (839,522)
Canada (511,364)
HLTH 102 (88)
Lecture

Light Pollution and Health

2 Pages
80 Views

Department
Health Studies
Course Code
HLTH 102
Professor
Melody Torcolacci

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Description
Light PollutionLight pollution occurs because of poor lighting design o Allows artificial light to shine outward and upward into the sky instead of downwardWhen human light spills into the natural world the environment is affected o Creatures need darkness o Affects biological clocks o Early breeding in birds because of long artificial days and short nightsMigration schedulesThese ecosystems affect us Light pollution is most easily avoidedStaying up late sends mixed signals to your body o Affects your physiologyo Raises levels of 2 hormonesAppetite and eating behaviourLack of sleep reducesLeptinControls the amount of food you need
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