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.
Infectious mononucleosis, mono, kissing disease, and glandular fever are all terms popularly used for the very common infection caused by the Epstein-Barr virus (EBV). The characteristic symptoms of infection with EBV include fever, fatigue, malaise, and sore throat.The designation  mononucleosis  refers to an increase in a particular type of mononuclear white blood cells (lymphocytes) in the bloodstream relative to the other white blood cells as a result of the EBV infection. The infection can be spread by saliva, and the incubation period for mono is four to eight weeks. 2  Most adults have laboratory evidence (antibodies against the EBV) indicative of a previous infection with EBV and are immune to further infection. 3  The symptoms of mono include: 4  fever, 5  fatigue, 6  sore throat, and.