Classify the following diseases as infectious or non-infectious:
$(a)$ $AIDS$
$(b)$ Tuberculosis
$(c)$ Cholera
$(d)$ High blood pressure
$(e)$ Heart disease
$(f)$ Pneumonia
$(g)$ Cancer

(N/A) Infectious diseases are caused by pathogens (like bacteria, viruses, fungi, or parasites) and can spread from one person to another. Non-infectious diseases are not caused by pathogens and do not spread between individuals.
$(a)$ $AIDS$: Infectious (caused by $HIV$)
$(b)$ Tuberculosis: Infectious (caused by $Mycobacterium$ $\text{tuberculosis}$)
$(c)$ Cholera: Infectious (caused by $Vibrio$ $\text{cholerae}$)
$(d)$ High blood pressure: Non-infectious (lifestyle/genetic factors)
$(e)$ Heart disease: Non-infectious (lifestyle/genetic factors)
$(f)$ Pneumonia: Infectious (caused by bacteria or viruses)
$(g)$ Cancer: Non-infectious (uncontrolled cell division)