Why Do We Get Colds When It's Cold?

The video debunks the myth that cold weather directly causes colds, explaining that viruses, not temperature, are responsible. It reviews scientific studies showing no direct link between feeling cold and getting sick. Hypotheses suggest cold weather might affect the respiratory system or activate dormant viruses, but evidence is lacking. Factors like dry air, low humidity, and indoor behavior increase illness risk. Preventive measures include hand washing and avoiding contact with infected individuals.

Describe how human behavior changes in colder months and its impact on cold transmission.

What are the best practices to avoid catching a cold, according to the text?