The materially absorbed conditioned soul can be cured by Krishna consciousness as set forth here in the Gita. This process is generally known as yajna, or activities (sacrifices) simply meant for the satisfaction of Vishnu, or Krishna. The more the activities of the material world are performed in Krishna consciousness, or for Vishnu only, the more the atmosphere becomes spiritualized by complete absorption. The word brahma (Brahman) means “spiritual.” The Lord is spiritual, and the rays of His transcendental body are called brahmajyoti, His spiritual effulgence. Everything that exists is situated in that brahmajyoti, but when the jyoti is covered by illusion (maya) or sense gratification, it is called material. This material veil can be removed at once by Krishna consciousness; thus the offering for the sake of Krishna consciousness, the consuming agent of such an offering or contribution, the process of consumption, the contributor, and the result are — all combined together — Brahman, or the Absolute Truth. The Absolute Truth covered by maya is called matter. Matter dovetailed for the cause of the Absolute Truth regains its spiritual quality. Krishna consciousness is the process of converting the illusory consciousness into Brahman, or the Supreme
When there is an epidemic disease, an antiseptic vaccine protects a person from the attack of such an epidemic. Similarly, food offered to Lord Vishnu and then taken by us makes us sufficiently resistant to material affection, and one who is accustomed to this practice is called a devotee of the Lord. Therefore, a person in Krishna consciousness, who eats only food offered to Krishna, can counteract all reactions of past material infections, which are impediments to the progress of self-realization.