"Silent strokes," (un-noticed) can often be prevented by engaging in moderate to severe exercise on a regular basis. A study done at Columbia University with 1,238 participants showed that people who exercise are 40% less likely to have a silent stroke. People who do have silent strokes are at increased risk of falls, memory problems, dementia and stroke.
NIH funded study shows simple lifestyle changes can decrease bodily pain and depression, improve vitality, social functioning, mental health, improve overall life satisfaction as well as general health and physical abilities. Full article: http://www.eurekalert.org/pub_releases/2011-06/uosc-uas060711.php
Recent study shows yoga improves symptoms of rheumatoid arthritis and fibromyalgia. Practicing yoga on a regular basis shows statistically significant improvements in the disease state as well as on anxiety, a common component of RA symptoms. http://www.worldhealth.net/news/yoga-improves-arthritis-fibromyalgia-symptoms/