I know you have heard of them, but maybe feel silly asking where they are and what they are. This poster shows the 7 chakras and their location in the body. A disruption in any of the areas can cause pain and illness.
Body Image
What Does the Length of Your Pinky Finger Says about Your Personality?
There is a lot of literature that talks about palmistry, although this art is as well complicated and it needs adequate time. However, this article