Prompt
Generate a realistic image of a middle-aged Irish man in a professional setting, likely in a hospital or university, dressed in formal attire, with a warm and authoritative smile. He has short, graying hair and wears a white lab coat with a stethoscope around his neck. In the background, subtle hints of a medical or research environment are visible, such as medical equipment, books, or diagrams related to obesity, diabetes, or metabolic medicine. The overall style should convey a sense of expertise, warmth, and approachability, reflecting the personality of a renowned physician and researcher.