![How do drugs know where to go in the body? A pharmaceutical scientist explains why some medications are swallowed while others are injected How do drugs know where to go in the body? A pharmaceutical scientist explains why some medications are swallowed while others are injected](https://images.theconversation.com/files/469339/original/file-20220616-20-4bvdhf.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip)
How do drugs know where to go in the body? A pharmaceutical scientist explains why some medications are swallowed while others are injected
![How do drugs know where to go in the body? A pharmaceutical scientist explains why some medications are swallowed while others are injected How do drugs know where to go in the body? A pharmaceutical scientist explains why some medications are swallowed while others are injected](https://images.theconversation.com/files/469333/original/file-20220616-24-uw9qbz.jpg?ixlib=rb-1.1.0&rect=19%2C0%2C2121%2C1060&q=45&auto=format&w=1356&h=668&fit=crop)
How do drugs know where to go in the body? A pharmaceutical scientist explains why some medications are swallowed while others are injected
![Amazon.com: Probiotic Lactose Pills For Long Term Relief - Enjoy Dairy Again - Lactose Intolerance Supplement - Produce Lactase Enzymes in The Gut - Naturally Break Down Lactose (Take for 7 Days - Amazon.com: Probiotic Lactose Pills For Long Term Relief - Enjoy Dairy Again - Lactose Intolerance Supplement - Produce Lactase Enzymes in The Gut - Naturally Break Down Lactose (Take for 7 Days -](https://m.media-amazon.com/images/I/81qK9cp4SIL._AC_UF1000,1000_QL80_.jpg)