Oxygen is one of the most important elements for human life – without it, the body cannot function. Modern medicine is increasingly using it not only as a necessary element of breathing, but also as an active therapeutic tool. One of the most advanced forms of such treatment is hyperbaric oxygen therapy (HBOT). This method is gaining popularity both in conventional medicine and among those seeking effective ways to regenerate and improve the overall condition of the body. What exactly does this treatment involve, who is it intended for, and what are the effects? What is hyperbaric oxygen therapy? Hyperbaric oxygen therapy involves breathing pure oxygen under conditions of increased atmospheric pressure – usually from 1.5 to 3 atmospheres. The treatment takes place in a special hyperbaric chamber, which can be a single-person capsule or a larger room for several patients. Under hyperbaric conditions, oxygen dissolves not only in hemoglobin, as it does under normal conditions, but also in plasma, lymph, and cerebrospinal fluid. This significantly increases its availability in tissues. Increased oxygen levels in the body trigger a number of repair and regenerative processes. It promotes wound healing, reduces swelling, and has anti-inflammatory and antibacterial properties. Hyperbaric oxygen therapy is non-invasive and painless, making it a popular choice for both sick and healthy individuals – to improve well-being or support recovery after physical exercise or medical procedures. Applications of oxygen therapy – for whom and for what purpose? HBOT has wide applications in many fields of medicine. One of the most well-known applications is the treatment of difficult-to-heal wounds – such as diabetic ulcers, pressure sores, burns, or post-operative injuries. Highly concentrated oxygen accelerates tissue regeneration and reduces the risk of infection. The therapy's effectiveness has also been confirmed in the treatment of carbon monoxide poisoning, decompression sickness (in divers), and ischemic tissue damage. Oxygen therapy is also increasingly used for preventative purposes and as a form of biohacking support for the body. Athletes use it to accelerate Muscle regeneration and increased body performance. People who work mentally notice improved concentration and better sleep quality. HBOT also supports people with chronic stress, fatigue, and neurological problems. Research is also underway on its effectiveness in treating autism, depression, and Alzheimer's disease. Safety and contraindications: Hyperbaric oxygen therapy is considered a safe therapeutic method, but like any form of treatment, it has certain contraindications. The most important include pneumothorax, untreated sinus and ear infections, fever, or claustrophobia (when using smaller chambers). Before beginning therapy, a medical consultation is necessary to assess the patient's overall health and rule out any potential risk of complications. Chamber treatments typically last 60 to 90 minutes, and their number and frequency depend on the therapy's goals. For the treatment of chronic conditions, a series of several or several dozen sessions may be necessary. For regenerative or preventative purposes, a few sessions are often sufficient. Although the effects can be felt after the first treatment, the greatest benefits are achieved with regular use. Therapy. Summary: Oxygen as the Medicine of the Future. Hyperbaric oxygen therapy is a modern, effective, and non-invasive method supporting the body's health and regeneration. Its growing popularity stems from both its proven clinical effectiveness and its wide range of applications – from treating serious conditions, improving quality of life, and supporting physical and mental well-being. More and more people are choosing this type of therapy not only for specific health concerns, but also for preventative care and long-term well-being. In an era of growing health awareness, HBOT may become an indispensable element of modern regenerative medicine.