Cardinal practices such as providing food, livelihood, and medical help to fellow beings is Bhootha Yagna
«शरीरं आध्यंम खलु धर्म साधनम्» –
“śarīram ādhyam khalu dharma sādhānam”
According to the scriptures, the body is the medium with which one can attain the objectives of life.
To be able to perform good deeds one needs physical and mental health and lifespan too.