Acute lymphoblastic leukaemia (ALL) is currently rated as the most commonly observed form of Leukemia.
Leukaemia is a type of cancer (a disease). And this type of cancer is commonly observed in children. This disease is a life-threatening one that comes with symptoms such as but is not limited to anaemia, experiencing bone and joint pain, and difficulty breathing. This disease is believed to be caused because of changes in the genetic makeup (DNA) of patients and exposure to radiation.
You can learn more about acute lymphoblastic leukaemia (ALL) here https://brainly.com/question/2136142
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