Get a handle on your medicine cabinet with this spiffy tutorial via Useful Beautiful Home (This makes me want to wallpaper the hall linen closet. It's always so dark and this is too stinking cute and bright. I love that.)
Start a file box for each of your kids when they are born. Label files and use it for medical records, important documents, special papers, etc. You'll always know where everything is and they will appreciate the organized info when they are older and need to reference it.