The bulds are bad from a health point of view. The LED lights are starting to come on to the market. They are expensive, but will come down in cost, and they are more efficient and have much longer life than the florescent ones.
8 hours a day: will last 10 years at $12 per year. power consumption 8 watts for a 60 watt buld light output. See link:
http://www.ccrane.com/lights/led-light-bulbs/geobulb/