What is the fine-grained topic of the following text: Our sages teach us that when a doctor heals the sick, the doctor is performing the mitzva of returning lost property: "And you shall return it to him" (Deuteronomy 22:2) - "This refers to the loss of the person's body, i.e. Only return the topic.
The mitzva of healing the sick in the context of returning lost property in Judaism.