Kolyo Georgiev: I get hardening of the muscles in the chest area. It usually happens when my body has a cold and at sharp movements. My heart is healthy.
Walter Last: Take more magnesium (500 mg per day), and rub magnesium salt (e.g. magnesium sulphat or chloride) into the breast muscles. Also massage this area.
For more information see the website and books of Walter Last: www.health-science-spirit.com