The video features a bald man wearing glasses and a white shirt. He is speaking directly to the camera, and behind him is a green background. To his right, there is a diagram that illustrates the process of how ragweed pollen causes allergies. The diagram includes various elements such as a ragweed cell, a B cell, a large amount of IgE antibodies, a plasma cell, a mast cell, and a person with symptoms. The diagram also includes a legend that explains the different parts and their functions.