They could be indifferent, they could suck out energy, influence the state of health. Those people who are able to see at the thin level could see them in different forms: in the shapes of insects, blots, some snakes and so on, all these should be taken off. For example, so called evil-eye is an astral world problem, induced by astral essences. When such a settler appears, physical body may sense it as some heaviness, sometimes it could feel like tickling, or cause some other pleasant or unpleasant sensations, it could induce restless sleep, or some nervousness, morbidity, the decrease of overall state of health. Some unexplainable attacks may appear. Or we may populate our flat with our own hands, if allow the existence of litter corners where the energy tends to be standstill. Remember that Feng-shui practices recommend to clean out your premises in order to achieve a free circulation of pure energy. That’s why trash in the corners should be sorted out, dust and cobweb should be wiped off. One should not enter into the living rooms in the upper closes and shoos in which he walks outside, astral essences caught on shoos and closes should be left in the wardrobe. By the way, with this FSC we may clean our clothes and shoes, by leaving it in the wardrobe from time to time. You should carry out of the house old things, which are not in use any more. Often people attract negative essences with their negative mind-forms, so one should be careful about the thoughts he generates, similar attracts similar, and we will attract the energies we generate. As a rule, one does not understand what is going on, and continues to attract thin world settlers. We create our problems with our own hands. If we would not supply them with our energy they will gradually disappear. In order to prevent the attraction of astral essences we should learn to control our thinking process, control our emotions and sensations, they should be in equilibrium. Any inclination both in positive and negative creates energy field deformation which could be used by astral essences as an opportunity to catch fasten on human thin level. The purpose is always the same, this essences simply have to feed themselves, it is their way of existence. So one should observe the Universal Law of Measure. Everything should be within reasonable limits. «The Sunny spectrum» set of channels gives an ability for physical health improvement, restores and activates DNA layers, which nowadays are silent at a majority of people. It restores life forces, including sexual energy, restores the work of first five chakras, restores bio-field, work with inflammations, blood pressure, infections, restore cell membranes, transform electromagnetic irradiation from the destroying form into a positive energy. Aids spiritual development, aids rejuvenation.