The benefits of cold water swimming

Cold water swimming, or "wild swimming," has gained attention recently for its potential health benefits, including for people with dementia. A study from Cambridge University suggests that regular cold water exposure may have protective effects on the brain, offering hope in slowing the progression of dementia.

The research

Cambridge University research, led by Dr. Giovanna Mallucci, discovered that cold water immersion could trigger the production of a specific protein, RBM3, which plays a critical role in brain protection. In animal studies, this protein helped to repair and regrow brain connections lost in neurodegenerative diseases like dementia. Though further research is needed to confirm its effects in humans, these findings are promising.

How cold water swimming helps

1. Cognitive health: the production of RBM3 may help slow down the cognitive decline in dementia by preserving brain cells and their connections.

2. Mood and mental well-being: cold water immersion is known to release endorphins, which can reduce anxiety and improve mood - critical for people living with dementia, who often experience depression or agitation.

3. Physical fitness: swimming is a low-impact, full-body workout that improves cardiovascular health, balance, and coordination.

4. Social interaction: many cold water swimmers join local groups, creating opportunities for socialising, which can help combat isolation and loneliness.

A word of caution

Cold water swimming isn’t for everyone and should be approached with caution, especially for those with dementia. Proper safety measures, such as swimming in supervised areas, gradually building tolerance to cold, and consulting with a doctor, are essential.

Sources: University of Cambridge