title: Help with MySQL date operation
body: <p>Hello i have two columns: duration (int) and dateCol (date) in a table.
  How should i proceed if i want to know when CURDATE() - dateCol will iqual to duration.</p>
  
  <p><strong>ie</strong>: CURDATE() -  dateCol (2010-05-08) = duration (14 days), and then send an e-amil? </p>