Biophilia EffectAll of us know from intuition that spending time in nature is of benefit to our health. But only in the last years has science revealed how strong our healing bond with nature really is. Forest air, for example, contains a rich mixture of bioactive substances that trees use to communicate to each other. When we breathe in (this air), our immune system reacts with an increase of natural killer cells that protect us from viruses. Forest air also