Guidelines on Obligatory Fasting and Abstinence
1. Abstain from meat on Ash Wednesday, Good Friday, and all Fridays in Lent
This applies those 14 and older and in good health.
2. Fast on Ash Wednesday and Good Friday
This applies to those from the ages of 18-59 and who are also in good health.
How to fast: On a day of fasting you may eat one full meal and two smaller meals that together do not equal a full meal.
More information: USCCB.org