Hello Patsy,
You said that you exercise twice a week. Look to see if you can change your routine to include a different type of 'exercise' that would have a much more health benefiting effect. There is form of exercise that is called Falun Dafa Qigong. Here is a link:
falundafa.org
You can watch and learn the 5 simple but very effective exercises right on the site, that have the ability to completely restore your health... Love and Light... Gary