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.
It can also boost your mood and energy, she says. Try to get 20 to 40 minutes of aerobic exercise -- activity that gets your heart pumping -- at least three times a week. Moderate aerobic exercise three times a week can reduce stress as well as migraines , Rosenberg says.