Retro Stomach Acid Education Poster

An educational, vintage-style infographic poster titled "Stomach Acid." It features a detailed central illustration of the human digestive system, focusing heavily on the stomach and upper gastrointestinal tract. The layout includes structured sections detailing the potential causes of excess stomach acid (such as specific foods, stress, and medications), common symptoms (like heartburn), and highlighted natural remedies featuring citrus fruits and herbal elements.