There are many ways in which eating too much sugar leads to accelerated aging. Firstly, sugar breaks down your body’s collagen, which results in wrinkly, saggy skin. Sugar additionally causes inflammation throughout the body, and prolonged inflammation can lead to further complications, including autoimmune diseases and arthritis. Studies have also shown that sugar can cause cancer, a fatty liver, and a prematurely weakened immune system that can increase you chances of infection. Too much sugar can lead to too many problems!