Alzheimer’s Drug Types 101: What Are Biologics?

What are biologic drugs and how are they being used to treat Alzheimer's disease? There are different modalities of drugs, delivered in different formats, that work in different ways. One type of drug you may encounter often is the small molecule drug. These tiny chemical compounds that affect the body’s tiny protein machinery, packaged into easy-to-ingest pills and capsules. Then there are larger molecule drugs. Some of these fall into the category of biologics.