Magic bullet (medicine)

A magic bullet is like a superhero medicine that is specially designed to target one specific bad guy in your body. Imagine you have some germs in your body that are making you sick, but with regular medicine, it can be trickier to get those germs without causing harm to the other good stuff in your body too. But with a magic bullet, it goes straight to the bad germs and gets rid of them without hurting the good stuff. It's like having a special spy who only takes care of the bad guys and doesn't bother the innocent people. The magic bullet is like a medicine that only attacks the bad guys, like a bomb that only explodes where the bad guys are hiding. This way, it helps to cure you while leaving your body safe and healthy.