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.
Types of leukemia. There are four main types of leukemia: 1  Acute myeloid leukemia (AML). 2  Chronic myeloid leukemia (CML). 3  Acute lymphocytic leukemia (ALL). 4  Chronic lymphocytic leukemia (CLL).