Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

Medicine

Personalized Medicine Based on Pharmacogenomic Testing

Quick fact

A single genetic variant in the CYP2D6 gene can turn a standard dose of codeine into a fatal overdose because the drug is converted to morphine faster than normal.

Why this is interesting

You and your friend take the same antibiotic — it cures them but lands you in the hospital. Why? The answer might be written in your DNA.