In a study by Japanese scientists, test persons were examined in detail before and after a forest bathing treatment lasting several days. The results were astonishing: the adrenaline concentration in the body decreased, whereas the number of the body's own defence cells increased by about 50 percent. Blood pressure and cortisol levels dropped. The immune system was thus significantly strengthened, while the risk of stress-related diseases of civilisation such as burnout and heart attack decreased.

Among other things, this is due to the so-called phytoncides, biological agents that the plants in the forest produce and release into their environment to protect themselves from bacteria. In humans, phytoncides strengthen the immune system. This is why forest bathing has even been included in the health insurance catalogue as a form of therapy in Japan.

When bathing in the forest, it is important to take in the impressions of the forest calmly and as intensively as possible. Breathe deeply, absorb the sounds, scents and colours - be mindful. This can be supported by yoga or breathing exercises. Heavily frequented walking paths are not suitable for this. Whether alone or in a group - those who want to try it out can also enjoy the beneficial effects of an intensive stay in the forest without any guidance.

In addition to chemical messengers that humans can hardly smell, see or hear, there is another communication channel in the plant world. It has recently been scientifically proven that plants also communicate with each other via sounds. An international team of researchers discovered recurring crackling sounds in cereal plants. What the scientists initially thought were growth sounds turned out to be signposts for regrowing plants. The signals should make it clear to the offspring: Grow here, there is still room for your roots. A particularly caring way of communicating and nurturing offspring.

Next, the researchers want to find out how exactly the sounds are produced.

Plants and trees seem to have a lot to communicate. Secret codes and unknown communication paths still need to be deciphered. Until then, there is enough time for one or two conscious baths in the forest. And if you listen carefully, you can learn a whole new language.