Brain Age

It is very rare that the cognition results for 'me' are veridical. This test although with it's cautionary note was impressive.

The age of your brain has been calculated to be:

26

Performance of these tests can be affected by a number of factors including: fatigue, noise and distractions, boredom, use of nicotine, alcohol or caffeine, use of illicit drugs.
The tests have not been completed under stringent clinical conditions and are provided for informational purposes only. The results do not constitute a clinical diagnosis.

Link to the test.

Caution: Interpret the results at your own risk.

Read more about it here.