1What is the literal meaning of disease 2What is an acute disease ? 3What is a chronic disease ?

Disease literally means being uncomfortable or at disturbed ease.

Diseases that last for only very short periods of time are called acute diseases

Diseases that can last for a long time may be even for a lifetime are called chronic

-TheUnknownScientist 72

Explanation:

when we feel uncomfortable with our health due to any viral infection or bacterial infection and we fall ill it's called Disease

cramming before a final is bad because it makes a student's stress level higher. students who embrace cramming to get through a final exam week find themselves struggling to perform consistently, once the brain adjusts to prolonged sleep deprivation.

cancer   is   essentially   uncontrolled   mitosis   of specialized cells