31. Excessive production of LL-37 is suspected to be a contributing cause in all subtypes of Rosacea . 32. It can even cause or aggravate skin problems such as rosacea ( which affects about 14 million Americans ). 33. Patients with rosacea have elevated levels of cathelicidin and elevated levels of stratum corneum tryptic enzymes ( SCTEs ). 34. :: : : : The person who wrote that about rosacea must be red / green colour blind! 35. In rosacea 's most advanced stage, the nose may become red, bumpy and swollen from excess tissue. 36. A dermatologist can't cure rosacea , but can stop the condition's progress and control the symptoms. 37. Other famous rosacea sufferers have been W . C . Fields, Princess Diana and J . P . Morgan. 38. Rosacea is an adult acne condition characterized by redness of facial skin, which is caused by dilated blood vessels.39. Answer : People with rosacea have too many blood vessels at the surface of their skin because of sun damage. 40. Some people with rosacea benefit from daily use of a sunscreen; others opt for wearing hats with broad brims.