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.
To prevent weight gain during stress and reduce the risk of obesity, get a handle on your stress. When you feel less stressed and more in control of your life, you may find it easier to stick to healthy eating and exercise habits. Recognize the warning signs of stress, such as anxiety, irritability and muscle tension.