Our brain is an extremely complex and delicate organ. Our body fiercely protects it by holding onto things that help it and keeping harmful things out, such as bugs that can cause infection and toxins. It does that though a protective layer called the blood-brain barrier. Here’s how it works, and what it means for drug design. First, let’s look at the circulatory system Adults have roughly 30 trillion cells in their body. Every cell needs a variety of nutrients and oxygen, and they produce waste, which needs to be Read More