In today's lecture, we'll discuss how urban green spaces affect mental health. A recent study followed 1,000 adults over five years. Participants who visited parks at least once a week reported 20% lower stress levels compared to those who rarely went. Interestingly, the duration of each visit mattered more than frequency. Even a single 30-minute walk in a park significantly boosted mood, while shorter visits had little effect. The study also noted that the presence of water features, like ponds, amplified the benefits. So, for city planners, designing accessible green areas with water could be key.
❓ According to the lecture, what factor had the greatest impact on reducing stress?
A. A. The frequency of park visits
B. B. The length of each park visit
C. C. The presence of trees in the park
D. D. The type of physical activity done in the park