The following are among those which may be affected by autism: 1  Communication: language develops slowly or not at all; words may be used without attaching the usual meaning to them; gestures may be used instead of words; may have short attention spans.
âA virus associated with a special type of leukemia (T-cell leukemia) was previously found in Andean mummies. But this case is probably the earliest known appearance of leukemia in an archeological case.â. 1  Researchers find oldest known case of cancer in 4,500-year-old remains of Siberian man. 2  Earliest known breast cancer identified in ancient Egyptian skeleton. 3  5,300-Year-Old Otzi the Iceman Yields Oldest Known Human Blood.
In 2012, leukemia developed in 352,000 people globally and caused 265,000 deaths. It is the most common type of cancer in children, with three quarters of leukemia cases in children being ALL. However, about 90% of all leukemias are diagnosed in adults, with AML and CLL being most common in adults.he exact cause of leukemia is unknown. Different kinds of leukemia are believed to have different causes. Both inherited and environmental (non-inherited) factors are believed to be involved. Risk factors include smoking, ionizing radiation, some chemicals (such as benzene), prior chemotherapy, and Down syndrome.