noun
fasting therapy; starvation cure; medical fasting
Refers to therapeutic fasting under medical supervision, not casual dieting.
医師の指導のもとで断食療法を行った。
I underwent fasting therapy under a doctor's guidance.
絶食 is general fasting or abstaining from food, while 断食療法 specifically refers to therapeutic fasting as a medical treatment.
Compound of 断食 (fasting) and 療法 (therapy).