Researchers followed 546 college students in the US from freshman to senior year and found the only factor that increased the risk for catching mono was deep kissing.
Symptoms of the "kissing disease" include sore throat, fatigue, headache, fever decreased appetite, and swollen tonsils.
However, some people develop mono without showing symptoms, 'MyHealthNewsDaily' reported.
The study by the University of Minnesota Medical School in Minneapolis, found the students who reported deep kissing were more likely to develop mono than those who did not kiss.
Other factors, including the student's diet and amount of exercise and stress, failed to increase the risk, researchers said.
Caused by the Epstein