You get fewer colds.
Your immune system remembers the viruses it has experienced over the years, giving you a boost in immunity. Those in their 20s get 2-3 colds per year, while those over 50 get only 1 or 2.
Your immune system remembers the viruses it has experienced over the years, giving you a boost in immunity. Those in their 20s get 2-3 colds per year, while those over 50 get only 1 or 2.