deteriorating essay

How would you describe a person who is suffering from cancer and the health is deteriorating by day?

I needa use for essay, thank you v much!

Does doping have deteriorating effects on the user’s health, in the long term?

does it, if used once? or only if used regularly for an extended period of time?what illnesses/problems occur after use (the strength and energy boosting effect doesn’t count)?any other details you might have?it’s for an essay on the social and health effects of doping. :thanks a lot!