This Datapack make its more intresting to keep your health full for good effects or you get bad effects

20+ Health
> Haste

10 to 6 Health
> Mining Fatigue

5 to 3 Health
> Mining Fatigue II
> Weakness

2 to 1 Health
> Mining Fatigue II
> Weakness II
> Slowness

New in 1.2:
- Fixed for 1.21
- Added a book