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.
Leukemia is cancer of the blood cells, usually affecting the white blood cells, which causes these cells to not work properly. There are four main types of leukemia. Leukemia can occur in either the lymphoid or myeloid white blood cells. Cancer that develops in the lymphoid cells is called lymphocytic leukemia. Cancer that develops in the myeloid cells is called myelogenous leukemia.