Which disease is commonly caused by tobacco smoking?

How is cancer caused?

In this type of cancer,the number of immature white blood cells increases:

Which technique is used to detect $HIV$ in $AIDS$ patients and to identify mutations in genes of suspected cancer patients?

In malignant tumours,the cells divide rapidly and move to distant parts of the body to cause new tumours. This property is called:

Which of the following is not a type of cancer?