Live Long and Well with Dr. Bobby #59: The Great Cold Remedy Audit: What Actually Works
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Jan 6, 2026 Explore the surprising truths behind cold remedies! Discover how common colds are and the power of handwashing. Uncover the myth of vitamin C in prevention and the slight benefits of garlic and gargling. Learn how sleep deprivation raises cold risk and how chilly conditions might weaken your defenses. Find out which remedies can shorten your cold, including zinc and the comforting effects of chicken soup. Finally, bust the myth about whispering harming vocal cords and find out what really helps relieve your symptoms!
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How Common And Long Colds Usually Are
- Adults average two to three colds per year and colds usually last five to seven days.
- Coughs can linger for weeks after other symptoms resolve.
Vitamin C Works Only Under Physical Stress
- Regular vitamin C did not prevent colds in large trials of the general public.
- It reduced colds by ~50% in physically stressed groups like marathoners and soldiers.
Prioritize Handwashing Over Supplements
- Wash your hands regularly, especially around young children, to reduce cold risk.
- Avoid relying on vitamin C or echinacea for prevention in the general population.