Fitness Lowers Your Risk of Dementia

Over the years I have read and passed on to my patients the benefits of exercise on quality of life and healthy aging. This hypothesis was supported by a recent publication in the journal “Primary Care” by Peter Lin, MD, CCFP. Dr Lin and colleagues followed a group of woman aged 38 to 60 years for 44 years to determine the relationship between fitness and development of dementia. They chose to follow 191 women from a group of 1462 patients and selected a balanced number of patients in each age group up to age 60. They performed a physical fitness test on the women in 1968 and then grouped them into high fitness category, intermediate fitness category and low fitness category based on their performance in the physical fitness test. The women then received neuropsychiatric evaluations in 1974, 1980, 1992, 2000, 2005 and 2009.

The patients within the high fitness group showed an 88% reduction in dementia rate compared to those with medium fitness. Those in the lowest fitness group had a 41% increase d risk of dementia compared to the medium fitness group. Those patients in the high fitness group who developed dementia showed symptoms 9.5 years later on average than the patients in the medium fitness group.

The message for young adults is simple. Stay fit at a high level doing something you enjoy and you may reduce your risk of developing dementia by up to 90%.

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