ELI5: Explain Like I'm 5

Drug design

Drug design is the process of finding new medicines to help people who are sick or have a disease. Think of it like playing a game where you have to find the right key to unlock a door. The key is a medicine that can help unlock the sickness or disease in someone's body.

Scientists who work on drug design use lots of different tools and tricks to find these keys. They use computers to make 3D models of molecules (tiny building blocks that make up everything around us). They might look at pictures of the sickness or disease in someone's body, then try to find a molecule that will fit into it and help fix it.

Once they find a molecule that might work, they have to test it out to see if it really does help treat the sickness or disease. They might test it on cells in a dish or on animals to see if it works well and doesn't cause any harm.

Sometimes, scientists might have to change the molecule a bit to make it work better. They might add or remove little pieces of the molecule to make it fit better or be stronger.

Once the scientists are happy with their new medicine, they have to test it out in real people to make sure it's safe and effective. This takes a long time and lots of testing to make sure it's safe for everyone who might need it.

In the end, drug design is an important job because it helps people stay healthy and happy.