Health Shrines are collectibles found in Sleeping Dogs.
There are 50 health shrines for Wei Shen to pray at. For every five shrines Wei prays at he will gain a 10% health bonus to his base health meter.
Praying at all 50 shrines will reward the player with the Spiritual Healing achievement/trophy.
Dating Amanda Cartwright will show the locations of all the health shrines on the minimap.