BT Šab 86b(21) :ישראל דדייגי במצות חביל גופייהו גוים דלא דייגי במצות לא חביל גופיהו‏ : the body of Jews who are concerned about (fulfilling) commandments becomes sick (and their semen loses its potency). The body of pagans who are not concerned about (fulfilling) commandments does not become sick
See the entire entry for ḥbl vb. to perish