Scientists aren’t entirely sure what causes rosacea, or why it intensifies as you get older, but they have some theories.
Q: My rosacea flare-ups have gotten more intense in my 40s. Why is that, and what can I do about it?
If you have rosacea, you might notice that by the time you reach your 40s or 50s, your symptoms have gotten worse, said Dr. Julie C. Harper, a dermat... [1124 chars]