When you exercise, the cells in your brain (and the rest of your body) start firing, becoming more energized. You also produce more serotonin and dopamineâboth crucial in mood elevation. Some credit these chemicals with whatâs known as the ârunnerâs highâ, common in endurance athletes. But we do know they make you feel good, and a sense of wellbeing and happiness can increase your physical health in turn.
You're most likely to get mononucleosis with all the signs and symptoms if you're an adolescent or young adult. Young children usually have few symptoms, and the infection often goes unrecognized. If you have mononucleosis, it's important to be careful of certain complications such as an enlarged spleen.
For some people, their liver or spleen or both may remain enlarged even after their fatigue ends. Most people get better in two to four weeks; however, some people may feel fatigued for several more weeks. Occasionally, the symptoms of infectious mononucleosis can last for six months or longer. Transmission. EBV is the most common cause of infectious mononucleosis, but other viruses can cause this disease. Typically, these viruses spread most commonly through bodily fluids, especially saliva. However, these viruses can also spread through blood and semen during sexual contact, blood transfusions, and organ transplantations.