Many articles have been written about the benefits of exercise, and how it affects one's cardiovascular system. It doesn't seem to matter how long one exercises, or the frequency, or the intensity. Some exericse is better than no exercise.
However, Japanese researchers have recently documented that the duration of the exercise per session does affect one''s HDL (good lipids, which counteract effects of bad lipids on the cardiovascular system). The intensity, nor frequency do not matter as much as how long one exercises.
When subjects exercised between 23 and 74 minutes per session, each 10-minute increase in duration was associated with a 1.4-mg/dL increase in HDL cholesterol.
The study also noted that for every 1 degree HDL rises, the risk of a cardiovascular event decreases by 2-3%.
Therefore, the findings should lend support to people to continue those daily walks (and make them longer.......).
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