The forest keeps us fit and healthy. Meanwhile, numerous studies have shown that a stay in the forest works like a kind of aromatherapy. By inhaling the essential oils that the trees give off into the air, our immune system is strengthened. Anxiety, depression and anger are reduced, stress hormones can be reduced and vitality increases. In addition, due to the terpenes contained in the forest air, our bodies produce more killer cells that are effective against cancer. A regul