Please be careful out there and have your skin checked once a year. Wear sunscreen. If you have any spots on your skin that are new or even remotely questionable, schedule a visit to the dermatologist and have it checked. Early detection will save your life.
+1
I'm 40, fair-skinned, have had lots of sun damage, and started paying for it three weeks ago when I had a small squamous cell carcinoma removed from the side of my nose. Here's the aftermath; let it be another reminder to use sunscreen: