Deterioration (noun)
خراب ہونا، بگاڑنا
the process of becoming progressively worse.
Example: “a deterioration in the condition of the patient”
Stimulate (verb)
جوش دلانا، ابھارنا، اکسانا ، جذبہ پیدا کرنا
raise levels of physiological or nervous activity in (the body or any biological system).
Example: “the women are given fertility drugs to stimulate their ovaries”