Although not universally a sign of liver cancer, spots on the liver are always a cause for medical concern and an indication that further diagnostic procedures should be conducted. Even where liver cancer is not present, the condition may (depending on circumstances) be dangerous and treatment may be indicated.
Photos: Five diseases you can get from kissing. Cold sores or fever blisters are actually the result of the herpes simplex virus. The Centers for Disease Control says that at least half of all Americans are infected with herpes simplex, most of us by the age of 20.
Older adults usually don't get mono, because they have immunity to the virus. Mono can be spread through contact with saliva, mucus from the nose and throat, and sometimes tears. Because the virus can be spread through kissing, it has earned the nickname the kissing disease..