How are some people's brains able to fight off Alzheimer's disease? Why do some people have the biological signs and damage of Alzheimer's disease , but their memory and intellectual abilities do not decline? Scientists have discovered the answer to this question. Why do some people have the biological signs and damage of Alzheimer's disease, but their memory and intellectual abilities do not decline? Scientists have discovered the answer to this question. According to researchers at the Netherlands Institute for Neuroscience , a rare and special type of immature cells in the brains of such people manage to survive and fight off the damage of the disease, so they do not show symptoms of Alzheimer's. The discovery, published in the journal Cell Stem Cell , raises hopes for the development of completely new treatments to slow the progression of dementia and preserve memory. Why does Alzheimer's disease affect people differently? This has always been a great myst...
What happens in the body when we laugh out loud Laughter is an integral and natural part of human life, which gives us joy, excitement and lightness. It is not only an emotional expression, but it also has a profound effect on our physical, mental and social health. Various studies have shown that laughing out loud activates various biological and psychological processes in our body, which in turn benefits our overall health. What changes occur in the body when we laugh out loud? What are their scientific bases and what are the effects they have on our lives? 1. Release of chemicals in the brain When we laugh out loud, our brain releases various chemicals (neurotransmitters), which improve our mood. Chemicals such as dopamine, serotonin and endorphins increase during laughter. Dopamine gives us a feeling of pleasure and happiness, serotonin reduces stress and stabilizes mood, while endorphins act as natural painkillers. According to a study by the Mayo Clinic, laughter helps reduc...