Ash Wednesday has come and gone and the 40-day Lenten season is upon us. My friends are starting to complain of headaches, dizziness and other symptoms of withdrawal. Scientists don’t fully understand the short to medium-term side effects of quitting diet Coke, a vente latte or chocolate “cold turkey”. Only time will tell if removing this much caffeine at once will increase road rage or decrease our jitteriness. People give up other things for Lent...