Frantic trips to the mall, overcrowded parking lots and aggressive shoppers are just some of the season?s stresses that can trigger a headache.

“There is a direct link between stress and the dull pressure and tightening sensations people experience during a headache,” said Dr. Brian Mondell, assistant professor of neurology at John Hopkins School of Medicine. “Tension headaches inhibit activities. They cause people to work at half speed.”