Viruses cause the common cold, usually the rhinovirus (up to 40% of colds), or Coronaviruses (about 20%), but there are more than 200 viruses that can cause the common cold. The reason the common...
Cold air does not cause a cold. Germs from a person with a cold is the only thing that causes a cold. Being out in cold air weakens your immune system making you more susceptible to contracting an...
The common cold is caused by viruses. Usually they are caused by the rhinovirus (up to 40% of colds), or Coronaviruses (about 20%), but there are more than 200 viruses that can cause the common cold.
In physics cold is the relative absence of heat; it is the perception that molecules are moving relatively slowly compared to something perceived as warmer. In health a cold is a mild viral infection...