‘fasting’ and ‘abstinence’ are employed interchangeably. Prior to the Second Vatican Council, the Roman Catholic Church made a clear distinction between the two terms: abstinence concerned the types of food eaten, irrespective of quantity, whereas fasting signified a limitation on the number of meals or on the amount of food that could be taken. Thus on certain days both abstinence and fasting were required; alternatively, the one might be prescribed but not the other. In the Orthodox Church a clear-cut