Fasting is observed on Ash Wednesday and Good Friday by Catholics from age 18 to 59, and is defined as a reduction in the amount of food one normally eats. The Catholic Church lays this out as one meal per day, with two much smaller meals (those two put together shouldn't be larger than the main meal). People within the age range who don't have to fast include those who are sick, pregnant or nursing, manual workers who need the calories for their health and even people who are guests at a meal who can't fast without insulting their host. Some people may elect to fast on additional days throughout the season. … [Read more...] about What Is Lent, and Why Do Christians Give Up Something for It?