Mark Ryan, RN, is not worried about the impact of climate change on the weather, but on skin cancer, which he knows first-hand. A decrease in stratospheric ozone requires stringent environmental regulations to prevent cancer, he says.

Mark Ryan, RN, emphasizes the importance of communication between doctors and patients, using as an example the stressful time his wife Anabel had because of miscommunication related to the results of a CT scan.

When his 91-year-old mother-in-law needed full-time care after her colon cancer diagnosis, Mark Ryan made some adjustments in the family home to ensure her comfort and well-being.