Causes of the flu. The flu is caused by influenza virus types A, B, and C. Both type A and type B flu viruses are responsible for the seasonal outbreaks of flu. Type A flu viruses are found in many different animals, including ducks, chickens, pigs, and horses. Influenza B viruses circulate widely only among humans.
Find healthy ways to manage stress. Consider healthy, stress-reducing activities such as meditation, exercising or talking things out with friends or family. Keep in mind that unhealthy behaviors develop over time and can be difficult to change. Don't take on too much at once.
The good news is that you can learn ways to manage stress. To get stress under control: 1  Find out what is causing stress in your life. 2  Look for ways to reduce the amount of stress in your life.3  Learn healthy ways to relieve stress and reduce its harmful effects.o get stress under control: 1  Find out what is causing stress in your life. 2  Look for ways to reduce the amount of stress in your life. 3  Learn healthy ways to relieve stress and reduce its harmful effects.