In some people that are photosensitive, UV light from sunlight and indoor light sources can trigger a lupus flare. In addition to sunlight, ultraviolet rays are also given off by several different ...

This is an article from I’ve Always Wondered, a series where readers send in questions they’d like an expert to answer. Send your question to alwayswondered@theconversation.edu.au I’ve always wondered ...

Unplug the fixture or turn off the power at the main panel. Remove the diffuser (cover), then carefully remove the fluorescent bulbs or tubes. Remove the fluorescent ballast compartment cover to ...