In the process of developing higher states of con­scious­ness the dif­fer­ent layers of our in­ner ex­is­tence are very gradu­ally made ac­cus­tomed to the un­fil­tered cos­mic light con­di­tions of the sun of our in­ner self. This is com­pa­ra­ble to the natu­ral pre­cau­tions against sun­burn, where our body has to pre­pare it­self very gradu­ally for the di­rect ra­dia­tion of the sun, which is felt as ag­gres­sive. But going through these dif­fer­ent fil­ter­ing sta­tions has also an­other prac­ti­cal ad­van­tage – for while trav­el­ing on this way the uni­ver­sal light of our in­ner sun of life is trans­formed by our intellect, our feeling and by our un­der­stand­ing into the qual­ity of the cos­mic, or more exact: our in­ner hu­man forces in­tel­lect, feel­ing and un­der­stand­ing re­veal to us in our in­ner uni­ver­sal light of life its cos­mic quali­ties: where in the be­gin­ning unity domi­nated, now, af­ter this, cos­mic va­ri­ety domi­nates.

Within a man with lit­tle de­vel­op­ment of con­scious­ness noth­ing uni­ver­sal of his light of life reaches his body and mostly even not his mind any more dur­ing this men­tioned proc­ess; for through the in­ade­quate natu­ral co­or­di­na­tion of his in­ner hu­man forces, the in­tel­lect, feel­ing and un­der­stand­ing ini­tially had to ex­tract so many com­po­nents from this uni­ver­sal light in the in­ter­est of a more or­derly func­tion of their own, that al­ready on the level of con­scious­ness, that is, in the field of the mind, the cos­mic was not per­cep­ti­ble any more.
That from such a situa­tion no uni­ver­sal health can be de­rived – nei­ther theo­reti­cally nor prac­ti­cally – is ob­vi­ous.

Your first ques­tion was: “What dis­turbs this stream most – that is, what do I have to ab­stain from most, so that I do not get ill?”

The an­swer is: that, what is called “stress“ nowa­days – in the most com­pre­hen­sive man­ner – dis­turbs this stream of the in­ner light of life down to the field of neu­ro­physi­ol­ogy most.
For not get­ting sick I there­fore must ab­stain from stress most.

How­ever, this is only the one side of sup­port­ing health. The more im­por­tant method emerges from your sec­ond ques­tion: “What sup­ports this stream most strongly – that is, what do I have to sup­port most, in or­der to stay healthy?

For our health it is im­pera­tive that our in­ner light of life pene­trates the dif­fer­ent layers of our inner human forces. The specific, systematic and: successful re­duc­tion of stress is the first method, to make the dif­fer­ent men­tioned layers more per­me­able from the out­side to the inside.
But with­out doubt the still more ef­fec­tive method is to in­crease the cos­mic lu­mi­nos­ity of our sun of life: its ra­dia­tion. And the an­cient prac­ti­cal plan for this is the path of medi­ta­tion, or Yoga.

Medi­ta­tion, or Yoga – medi­ta­tion is the tech­nol­ogy, or the path, and Yoga is the state of cos­mic light per­me­abil­ity, which is achieved – bring about the ac­ti­va­tion of the ra­dia­tion of our in­ner sun of life by in­ten­si­fy­ing the in­te­gra­tion of in­tel­lect, feel­ing and un­der­stand­ing.

This in­te­gra­tion also co­or­di­nates our con­scious­ness as well as our think­ing with our life breath – which lies at the basis of our breath­ing in and out as an im­mor­tal, stand­ing and at the same time mov­ing cos­mic breath. This breath is al­ready ac­tive be­fore our birth.
In the moment of co­ordi­nat­ing our men­tioned three in­ner main hu­man pow­ers in­tel­lect, feel­ing and un­der­stand­ing with our cos­mic life breath a kind of light­ning is kin­dled in the sun of our self, which spreads out to the men­tioned in­ner sphe­res down to our body us­ing the afore­men­tioned chan­nels.