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

Pharmacogenomic Testing for Warfarin Dose Individualization

Quick fact

Two genes (CYP2C9 and VKORC1) account for about 40% of the variability in warfarin dose requirements.

Why this is interesting

You've just been prescribed warfarin—but the dose that works for one person might be fatal for another. What if your DNA could tell your doctor the right dose to start with?