You’re walking around your home when you suddenly spot something on the ceiling. You can’t quite make out what it is, so you squint and move closer — uh oh, is that mold? If it is, you're like most of ...

Q: As I was getting ready to take a shower, I looked up and noticed black splotches on my bathroom ceiling. What causes mold on bathroom ceiling surfaces, and what can I do to get rid of mold on the ...