In Yoga and Ayurveda, we are thought to be made up of koshas or sheaths. These sheaths, when functioning well are stacked on top of each other, like Russian stacking dolls or the layers of an onion.
The first is the physical body – the anamyakosha.
The second is the mental body – the manomyakosha
The third is the breath body – the pranamyakosha
The fourth is the intuitive or wisdom body – the jnanamyakosha
The fifth is the bliss body – the anandamyokosha
Inside this can be found Atman – the true self, the soul, the deepest core of who you are.
To be well, that is healthy, we need to be seated in the self – this definition of healthy SEATED IN THE SELF (swastha in Sanskrit), is different to the Western notion of healthy which is absence of disease!