長文読解（人文系・自然科学系の文章）- 問題5

The concept of "forest bathing," known as shinrin-yoku in Japanese, has gained international recognition as a powerful practice for mental and physical well-being. Developed in Japan during the 1980s, this therapeutic approach involves immersing oneself mindfully in a forest environment, engaging all five senses without the distractions of modern technology.
Scientific research has revealed remarkable benefits of forest bathing. Studies conducted by Dr. Qing Li at Nippon Medical School found that spending time in forests significantly reduces cortisol levels, the hormone associated with stress. Additionally, forest environments increase the production of natural killer (NK) cells, which play a crucial role in immune system function and cancer prevention.
The practice differs fundamentally from hiking or other outdoor activities. Rather than focusing on physical exercise or reaching a destination, forest bathing emphasizes slow, deliberate movement and deep sensory engagement. Participants are encouraged to breathe deeply, touch tree bark, listen to bird songs, and observe the interplay of light and shadow among the leaves.
Today, forest bathing programs are being implemented in hospitals, schools, and corporate wellness initiatives across Japan, South Korea, and increasingly in Western countries. This ancient wisdom, now supported by modern science, offers a simple yet profound remedy for the stress and disconnection of contemporary urban life.