Yew is supportive to the immune system, circulatory system and memory. It is extremely grounding and this helps us to develop focus in the present, practicality and strength. Due to its ability to harness available energy and to integrate it, it is excellent for matters of survival and protection and can help repel unwanted, outside influences. It is so strongly connected to the earth's energies that it bestows a feeling of integration with the land, and will help one sense the energy patterns held within a particular place.