ZOE Science & Nutrition Recap: How exercise slows brain ageing | Dr Wendy Suzuki
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Feb 17, 2026 
Dr Wendy Suzuki, neuroscientist known for work on brain plasticity and exercise, explains how movement shapes the brain. She explores how aging affects connections, why exercise gives immediate mood and attention boosts, and how regular activity grows the hippocampus and prefrontal cortex. Practical tips include walking and moderate aerobic sessions to support memory and focus.
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Synapse Loss Drives Normal Brain Aging
- Normal aging mostly reduces synaptic connections rather than widespread neuron death.
- Loss of synapses, not cell death, is the main driver of reduced brain efficiency with age.
Brain Plasticity Responds To Experience
- Brain plasticity means life experiences change brain anatomy and function.
- Positive experiences increase size and function while stress can shrink areas and remove connections.
Musicians' Brains Grow With Practice
- Long-term musical practice enlarges relevant motor cortex areas for professional musicians.
- Wendy Suzuki says some benefits remain but you must keep practicing to maintain them.