p87 – There are four main benefits of the meditations on taking and giving: they are powerful methods (1) to purify the potentialities of non-virtuous actions

There are four main benefits of the meditations on taking and giving: they are powerful methods (1) to purify the potentialities of non-virtuous actions that cause us to experience incurable diseases such as cancer; (2) to accumulate a great collection of merit; (3) to ripen our potentiality to be able to benefit all living beings; and (4) to purify our mind.

Venerable Geshe Kelsang Gyatso Rinpoche,
Modern Buddhism