Is it normal to get hungry a lot especially if stressed out? what can it be?

Common: Stress appears to alter overall food intake in two ways, resulting in under- or overeating, which may be influenced by the severity of the stress. Sometimes with severe acute stress appetite may be lost. Often chronic life stress seems to be associated with a greater preference for energy- and nutrient-dense foods, (high in sugar and fat). Chronic stress may be linked to weight gain and obesity.