Infectious mononucleosis, also called mono, is a contagious disease. Epstein-Barr virus (EBV) is the most common cause of infectious mononucleosis, but other viruses can also cause this disease. It is common among teenagers and young adults, especially college students.
Abraham Lincoln's mother died 1818 of milk sickness. This means she drank milk from a cow that had eaten the poisonous white snakeroot plant. Abraham Lincoln's mother died 1818 of milk sickness. This means she drank milk from a cow that had eaten the poisonous white snakeroot plant.
Thomas Tad Lincoln was born in April of 1853, and died in July of  1871, at the age of 18. He likely died from tuberculosis.    It has been suggested that Abraham Lincoln had a rare genetic  cancer, which may have been passed down to all three of his sons,  who died young.