Final answer:
The diseases that are eliminated in the majority of individuals who have had gastric bypass surgery are Diabetes, Hypertension, and Heart disease.
Step-by-step explanation:
The diseases that are eliminated in the majority of individuals who have had gastric bypass surgery are All of the above: Diabetes, Hypertension, and Heart disease. Gastric bypass surgery is a type of bariatric surgery that can lead to significant weight loss and improvements in these conditions. By reducing the amount of food that can be eaten and limiting nutrient absorption, gastric bypass surgery can help individuals with obesity to achieve better control over their diabetes, hypertension, and heart disease.