Who is really in control of your body? #science #facts #biology

Added: 2026-06-03

[00:00:00]Strip out your bacteria and you lose 99% of your genetic material.

[00:00:06]Your cells carry 20,000 genes. Gut bacteria carry 3 million, >> [music] >> running your immunity, digestion, and mood.

[00:00:17]Bacteria also outnumber you. 38 trillion of them against your 30 trillion cells.

[00:00:24]And they produce 95% of your serotonin. You are not a human with bacteria. You are a bacterial colony with a brain.

[00:00:35]Have you ever had a gut feeling that changed your entire day? Your bacteria sent it.