This research was carried out over 30 years, and the results are clear: the more you hit the pedals, the healthier you'll be, and all it takes is as little as 15 minutes of riding a day to start getting results.
這項研究進行了三十年，結果顯示︰愈是用力踩單車踏板，健康情況愈佳，即使每天只騎十五分鐘，也可顯著改善健康。