The article discusses the limited effectiveness of vitamin C in preventing colds, debunking the long-standing myth popularized by Linus Pauling. While high doses of vitamin C (1,000–2,000 mg daily) do not prevent most people from catching a cold, recent studies suggest they may slightly reduce the duration or severity of symptoms in specific groups like athletes or military personnel. A 2023 meta-analysis found that vitamin C supplementation reduces the risk of severe cold symptoms by approximately 15% in these populations. The article highlights that Pauling's claims were overstated, as his research methods were flawed and later studies showed minimal benefits. It also notes that the body's natural defenses, rather than vitamin C, play a more significant role in cold prevention. The piece emphasizes that while vitamin C is not a cure-all, it may offer marginal benefits for certain individuals when taken in conjunction with other health practices. Overall, the article provides a balanced view of the scientific consensus on vitamin C's role in cold prevention and treatment.

The article explores the origins of the belief that vitamin C prevents or cures colds, tracing it back to Linus Pauling's 1970 book. While Pauling's recommendations for high-dose vitamin C gained popularity, subsequent research shows limited evidence of its effectiveness. A 2023 meta-analysis found that regular vitamin C intake may reduce severe cold symptoms by up to 10%, but not the duration of mild symptoms. The article highlights that Pauling's interpretation of studies was flawed, relying on poor-quality trials. Modern guidelines advise against excessive vitamin C intake due to potential side effects like kidney stones and gastrointestinal issues. Experts caution that while vitamin C might offer minor benefits for specific groups like athletes, it does not significantly reduce cold risk for the general population. The piece underscores the importance of evidence-based health advice and the dangers of over-reliance on supplements.

LuLu launches an innovative advertising campaign on Tokyo Metro to promote cold prevention amidst rising cold cases during winter months.