Truss Rods

 Most modern steel string guitars built today contain a metal rod in the neck of the guitar called a truss rod.  You will often see mention of it when folks discuss adjusting how a guitar plays.  It's good to know what it is, and how it works -

How a truss rod works

Guitar Lessons May Benefit Seniors Regarding Alzheimer’s

http://www.aginghomehealthcare.com/2012/11/beginner-guitar-lessons/

Beginner Guitar Lessons have cognitive and physical benefits that may prevent or delay the onset of Alzheimer’s disease. In addition, learning to play the guitar can also:

• enhance problem solving skills
• exercise spatial and visualization processes in the brain
• alleviate anxiety, stress and depression
• boost self-esteem
• maintain finger and hand flexibility
• lower blood pressure
• reduce muscle tension
• provide opportunities for social interaction
• contribute to brain plasticity