Less than half of human body is human. What is the rest?

T TV Monday 27/May/2019 16:35 PM
By: Times News Service

New discoveries are making scientists rethink what makes us human, and even why we get sick and how to stay healthy. Research estimates that we're only about 43% human.
The rest are microorganisms that affect health, mood and how you respond to medication. VOA's Elizabeth Lee visited a lab at the University of California San Diego for a peek at research about the bugs that live in all of us.