When substituting for cream of tartar, you must also substitute for the baking soda. If your recipe calls for baking soda and cream of tarter, I would just use baking powder. One teaspoon baking powder is equivalent to 1/4 teaspoon baking soda plus 5/8 teaspoon cream of tartar.
Tension headache is a condition where there is dull pressure or pain within the head, often associated with muscle tension, especially the muscles in the back of the head and neck. ...Read more.
The cause of tension headaches is not known. Experts used to think tension headaches stemmed from muscle contractions in the face, neck and scalp, perhaps as a result of heightened emotions, tension or stress. But research suggests muscle contraction isn't the cause.