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.
Stress can affect your body in many ways, including increasing your resting heart rate. Anxiety, fright, pain and distress associated extreme emotions -- happiness, anger or sadness -- all increase adrenaline and cortisol levels.our ability to manage stress can help lower your resting heart rate. Start by understanding what causes your stress and take time each day to relax. Exercise and getting enough sleep are also good ways to help manage stress.