Did you know that the immune system

Did you know that the immune system which protects your body from bacteria and viruses will be considerably weaker if you are under stress ? According to the health scientists, when a person is under stress, his body will release a hormone that will prevent his immune system from destroying bacteria and viruses.
Garvan institute scientists in sydney discovered that a hormone called "neuropeptide Y" which prevents the immune system from destroying bacteria and viruses, is produced when a person is under stress. It had proven that people are more likely to get sick when they are too busy or worried.