“For millions around the world living with type 1 diabetes, treatment to keep blood sugar in check means lifelong daily insulin. However, using insulin comes with its own risks. If blood sugar drops too low, it can cause hypoglycaemia, or ‘hypos’, which in severe cases may lead to seizures or even death. It is no surprise that constantly balancing between high and low blood sugars takes a heavy toll on both physical and mental health…Teplizumab offers a completely different approach. Instead of simply replacing insulin, it targets the immune attack that causes type 1 diabetes…Teplizumab works by retraining the immune system and dialling down the specific cells that target the pancreas.