Unfortunately the cancer issue is not the only problem with CFLs, or even LEDs...
Home Safety : Fire Risks — Radiation — Health
The CFL Mercury Issue: Breakage — Recycling — Dumping — Mining — Manufacturing — Transport — Power Plants
LEDs: The Lead and Arsenic Issue
Lead, arsenic and other toxic content, home breakage and disposal concerns
The Overall Small Energy Savings: USA Dept of Energy and EU official sources, less than 1% of society energy usage saved from light bulb regulations
( http://ceolas.net/#li18eax )
Notice also how major light bulb manufacturers welcome the ban on unprofitable cheap simple types of incandescent light bulbs,
allowing them to sell more CFLs, that people would not otherwise buy - and, arguably, justifiably would not buy.....
How manufacturers and vested interests have pushed for the ban on regular light bulbs, and lobbied for CFL favors:
http://ceolas.net/#li12ax
with documentation and copies of official
communications