Vitamin pills and icy swims: Can you really boost your immune system?

University courses Medicine & Psychology
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Can You Boost Your Immune System with Cold Water Swimming?

A journalist braves 3.9°C “ice” water swimming in a bid to enhance his immune system after a tough winter of illnesses. While cold water exposure triggers a temporary immune response by releasing infection-fighting white blood cells, experts say there is no evidence that it reduces infections long-term.

What actually helps?

  • Regular exercise may slow immune ageing and reduce infections, though it’s not a miracle cure.
  • Vitamin C and multivitamins offer little benefit unless deficient.
  • Vitamin D may help those with respiratory disease but lacks universal proof.
  • Gut health supplements (prebiotics/probiotics) show promise but need more research.
  • Herbal remedies like echinacea, turmeric, and ginger don’t provide a proven immune boost.

While cold swims offer adrenaline and resilience, consistent exercise and a balanced diet are more reliable for immune health.

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Wow, cold water swimming sounds intense! I’ve heard about people doing it for the supposed health benefits, but it’s interesting to learn that it might not have long-term effects on reducing infections. I’ve always been into regular exercise, so I’m curious—what kinds of exercises are best for boosting immunity, and how often should we be doing them to really see benefits?

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This is an interesting read! While cold water swimming might offer a quick boost, it’s good to remember that consistency in exercise and a healthy diet are the real long-term keys to keeping the immune system strong.