Fluorescent Lights and the Sun

Your teacher's figures are inaccurate. A 1993 study found that 8 hours of exposure to the UV light from fluorescent tubes at the normal lighting level found in offices was equivalent to just one minute of exposure to sunlight: http://en.wikipedia.org/wiki/Fluorescent_light#Ultraviolet_emission Older cathode ray tube TVs and computer monitors can emit very small amounts of UV but at normal viewing distances this is well within the safety limits. More modern flat screen (LCD and Plasma) TVs and monitors emit nothing but visible light and so there is no danger whatsoever from radiation with these. The biggest dangers to health from using a computer are: 1) Eye strain from viewing the screen at a fixed distance for long periods. 2) Postural problems from adopting a poor sitting position and carpal tunnel problems from using a mouse with insufficient support for the wrist.

I am not sure of what your teacher told you, but I am one of the people that don't like to sleep in the dark. So, I think I got more than 8 hours exposure of fluorescent light everyday. It's that why I have dark skin.. I live in a tropical country, so I guess that is why my skin is dark.

I respectfully disagree with your teacher saying. Light produce by Sun is through nuclear reaction of helium and hydrogen, it contains UV spectrum and photon particles while F.L use different method in light production. Both cause different reaction on our body tissues, the darkening effect is a lot lower from F.L.

Hey thanks for sharing such an informative thought. yes this is true. Even i have heard about the ill effects of staying exposed to fluorescent lights. They emit certain harmful radiations which are not good for the skin. So they are to be avoided at home. What say?

The flourescent have the property to have an ultraviolet effect, similar to the sun rays. But, I prefer the rays of the sun. You can have Vitamin D, essential needs for the body.