Blocks harvest inside a chakra of a person from emotional upsets, traumas, conflicts and losses, they are continually feed by the stress of repeating patterns that one might become comfortable with, or easily accept.  Blocks may be slowly fed and nourished creating illness and disease.  Example: stress may produce a headache in some and others may believe it is not affection them at all, remaining unaware they are repressing the dialogue or the incident and the body is integrating it within. Example: Root Chakra, located in the pelvic floor. A block here manifest symptoms as low back pain, varicose veins, sciatica, constipation, water retention, impotence, diarrhea, challenges with the groin, hips, legs and feet. Feelings of defeat, not moving forward, loneliness, anxiety and obsessions.

The Theater of Life, by Charlyn Kent, presents a recommended dialogue that will give you more detail on the unseen forces that affects everyone.