Christ instituted the Holy Eucharist:
unite us to Himself and to nourish our soul with His divine life.
increase sanctifying grace and all virtues in our soul.
lessen our evil inclinations.
be a pledge of everlasting life.
fit our bodies for a glorious resurrection.
continue the sacrifice of the Cross in His Church.
We are united to Jesus Christ in the Holy Eucharist by means of Holy Communion.
Holy Communion is the receiving of the body and blood of Christ.
To make a good Communion it is necessary to be in the state of sanctifying
grace, to have a right intention, and to obey the laws of fasting. (See Q.
He who receives Communion in mortal sin receives the body and blood of Christ,
but does not receive His grace, and he commits a great sacrilege.
plentifully the graces of Holy Communion it is not enough to be free from
mortal sin, but we should be free from all affection to venial sin, and
should make acts of faith, hope, and love.
The fast necessary for Holy Communion is to abstain from all food, beverages,
and alcoholic drinks for one hour before Holy Communion. Water may be taken at
any time. The sick may take food, non-alcoholic drinks, and any medicine up to
Communion time. *
This answer has been changed in the 1977 printing to bring it up to date with
the current rules.
Any one in danger of death is allowed to receive Holy Communion when not
fasting or when it is necessary to save the Blessed Sacrament from insult or
We are bound to receive Holy Communion, under pain of mortal sin, during the
Easter time and when in danger of death.
It is well to receive Holy Communion often, as nothing is a greater aid to a
holy life than often to receive the Author of all grace and the Source of all
After Holy Communion we should spend some time in adoring our Lord, in thanking
Him for the grace we have received, and in asking Him for the blessings we need.