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New LED streetlights can cause lots of health issues

Safety first! Good health is more important than cutting down costs


Key points from article :

Cost efficient new light-emitting diodes (LEDs) can have bad effects on health.

New LED bulbs used in streetlamps emit a very bright light.

This can disrupt the circadian rythm in human body and impact on sleep quality and daytime alertness.

Can affect wellbeing, safety and could lead to glare and a rise in light pollution.

High levels of blue light are known to cause damage to the retina in the eye.

Could avoid this by using LED lights which emit warm-coloured light, particularly in densely populated areas.

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John O’Hagan

Professor in Laser and Optical Radiation Safety at Loughborough University.

Public Health England (PHE)

Health protection agency.

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