I'm doing a Human NEA because of the changes in the world contributing to the changes in regeneration, populations, etc.
I preferred physical however I do better in human as you can put in your own opinions and justifications for the changes in things because there's never really a definitive answer.
However, a lot of people in my school that are currently completing their NEAs are doing physical (there's a full geography class doing physical in my year group and there's 3 classes!) and it's due to the correlation that people who do physical NEAs get higher marks.
The changing world is what fascinated me and how it affects regeneration and rebranding which is why I chose human - also I'm better at it (and I enjoy it a fair bit)