In Parkinson’s disease, treatments relieve but do not repair. A new approach now aims to directly replace lost neurons. Parkinson’s disease affects nearly 1% of people over the age of 60. It results from the gradual degeneration of dopaminergic neurons in the substantia nigra, a deep brain region involved in motor control. This neuronal loss…
Can one story a day really transform the brain? From early childhood, the brain is shaped by exposure to language. Long before learning to read, children begin to listen, predict what comes next, and grasp the hidden intentions behind a story. These foundational skills support language development, verbal memory, sustained attention, and emotional regulation. However,…
Why can a smell or taste instantly bring back memories that conscious effort cannot retrieve? One winter day, in a simple cup of tea, a writer rediscovers the past. As soon as the madeleine touches his lips, a wave of sensations overwhelms him: Sundays in Combray, Aunt Léonie’s voice, warm light on the walls, and…
In natural environments, the brain regains balance. A regulation both cognitive and emotional. Barefoot on warm sand, the sun reflecting on water, the rustle of leaves, birdsong, these sensory experiences trigger an immediate sense of relief. They reveal a deep interaction between the brain and the natural world, a sensory synergy that modulates both cognitive…
In summer, heat doesn’t just tire the body, it also alters our state of consciousness. In summer, heat doesn’t just lull the body, it also dulls our alertness. In the midst of an afternoon, lying in the shade or sitting still, you may notice your thoughts begin to drift. Eyes half-closed, sounds fade away, and…
Exercising isn’t enough to protect your brain if you spend your day sitting. Sitting for hours each day is no longer just a cardiovascular or metabolic health concern, it has become a serious warning sign for the brain. In a world where sitting has become the invisible norm, from the office chair to the driver’s…
Learning a new language later in life may slow cognitive decline. Can learning a foreign language still stimulate the aging brain? Once considered a marginal question in cognitive science, this issue is now taking center stage in the neuroscience of aging. As life expectancy continues to rise, preserving brain function has become a critical concern….
Under extreme effort, the brain doesn’t just endure, it adapts by mobilizing its own reserves. What if running a marathon didn’t just drain your muscles, but also quietly reshaped the very structure of your brain? At the heart of this transformation lies a subtle but essential player: myelin. This sheath, which insulates nerve fibers, isn’t…
My doctor says it’s okay to exercise, but when it becomes a strain, you better quit. Mohamed Ali : Man, your doctor don’t know what he’s talking about. That’s what you want to do, strain. You want to run into the pains. You want to run until your throat feels like sandpaper. You want to…
Write without moving, speak without a voice… science is reaching a major milestone. Thanks to brain–computer interfaces, thoughts are gradually becoming a readable form of language. Every year, thousands of individuals lose the use of their limbs due to stroke, spinal cord injury, or neurodegenerative disease. When both speech and movement fall silent, communication becomes…