What Happens to Your Body AFTER 25? | Louisa Nicola
13 Sept 2024 · 1 min

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In this brief dialogue, the speakers explain that after age 25 the brain undergoes significant maturation, particularly the limbic system which governs emotional regulation. They note that the human brain contains roughly 87 billion neurons, each forming about 5,000 synaptic connections, creating a highly active neural network. Because the brain’s function depends on a steady supply of oxygen and nutrients delivered via the bloodstream, they stress that cardiovascular fitness—especially aerobic conditioning—enhances the heart’s ability to pump blood, thereby supporting optimal brain performance. The conversation frames these physiological facts as key differences between high‑performing athletes and everyday exercisers.










