I must have reached that age in life when it seems odd to me that people need public (as opposed to parents “wising-up” their kids) warnings for activities that are problematic. Here’s an example – LINDSEY TANNER, AP Medical Writer  CHICAGO – Have you ever worked on your laptop computer with it sitting on your lap, heating up your legs? If so, you might want to rethink that habit. Doing it a lot can lead to “toasted skin syndrome,” an unusual-looking mottled skin condition caused by long-term heat exposure, according to medical reports.   And I need help with this problem?  Surely, you jest!   Along with stories in today’s news about…