Hand holding pills as a depiction of modern medicine. The development of new antibiotics will be key to overcoming antibiotic resistance. These drugs help save lives, but if we don't find new ways to fight infections, the world could face a future where these lifesaving medications are useless. New research is uncovering the mysteries of how antibiotics work and discovering ways to prevent bacteria from developing immunity to them. Around the world, there are now more serious illnesses caused by resistant bacteria than by any other type of infection. This is an urgent problem that we need to solve if we want to keep our antibiotics working effectively in the future.