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Yes, fasting can trigger a migraine in susceptible people through low glucose, dehydration, caffeine shifts, and sleep changes.

Yes, fasting can trigger mania in people with bipolar disorder, mainly via sleep loss, dehydration, and medication changes.

No, fasting doesn’t cure acid reflux, though smart meal timing and weight loss can reduce symptoms for many people.

Yes, people with obesity can run fast over short distances when trained, though extra mass shifts how speed is produced.

Yes—fruit fits many fasting styles during the eating window; strict water or religious fasts forbid food while the fast is active.

No, fasting does not end a pregnancy; only approved medical or surgical care can do that.

No, fasting hasn’t been proven to slow cancer; small trials test short fasts around treatment under medical supervision.

No, current research shows fasting doesn’t shrink ovarian cysts; many functional cysts resolve naturally within 1–3 cycles.

No, current research does not show fasting shrinks an enlarged prostate; it may ease urinary symptoms through weight and glucose control.

No, fasting alone doesn’t reverse heart disease; it may aid risk markers, but reversal needs medication, diet, exercise, and medical care.