There is some good evidence that weight loss can help with heart disease. Weight loss will improve immune function. Weight loss can treat arthritis. Weight loss improves sexual function, aids in weight loss, helps visual acuity, increases testosterone. Weight loss can be helpful with heart disease as well.
Weight loss is related to muscle growth.
Weight loss can lift depression. Weight loss is related to fat loss. Weight loss is related to age regression, life extension. Weight loss is related to improved vision. Weight loss is related to improved hearing.