Pretend for a few seconds that you're walking through a peaceful forest. You hear distant bird songs, smell the fresh and earthy air and feel the soft moss beneath your feet. Just a few moments can hep you relax. Experts at Mayo Clinic are studying how complementary medicine techniques -- aroma therapy, music therapy and virtual reality that transports you into nature -- help patients going through stressful situations relax and feel better. In this episode of NewsMD's "Health Fusion," Viv Williams explores current research about integrative medicine.