According to the latest research by Australian scientists, loneliness affects not only emotional well-being but also has a serious impact on a person’s physical health. Experts note that humans are biologically created to communicate and interact with others.
The study states that social relationships activate important processes in the human brain — this supports not only mood but also overall health. Scientists emphasize that the brain perceives social interaction as a vital process.
When a person feels lonely, the brain interprets this state as a danger signal. This leads to an increase in stress hormones and triggers the body's “defense mode.” As a result, heart function may be disrupted, the immune system weakened, and mental condition worsened.
Conversely, communication, talking with close people, and emotional support enhance the production of oxytocin — a substance that reduces anxiety and increases the feeling of safety. Social relationships help prevent stress, depression, and even dementia.
Scientists recommend talking for at least a few minutes every day, keeping in touch with loved ones, or interacting with people who share similar interests. Even brief communication stimulates positive changes in the brain, improves mood, and lowers stress levels.
Researchers note that a simple smile or sincere greeting also helps strengthen mental health — because the natural law of human life is based on communication and unity.
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