Question

multiple choice 1 point
9 on average, the forest - walkers—who ranged in age from 36 to 77—saw a reduction in their systolic blood pressure from 141 mmhg down to 134 mmhg after four hours in the forest.
17 this might not sound like a big difference, but it can be clinically significant. most doctors these days agree that people younger than 60 should aim to keep their blood pressure under 140.
27 \im very impressed with the primary research done in japan,\ barr says. he thinks many patients could benefit from forest bathing, especially those who are under stress.
22 \forest bathing could be considered a form of medicine,\ barr says. \and the benefits of nature can be accessed so simply.\
23 its not a big surprise that researchers were able to document a decrease in blood pressure among forest - bathers. as people begin to relax, parasympathetic nerve activity increases—which can lead to a drop in blood pressure.
what is the main topic the author is addressing here?
benefits of nature.
blood pressure.
diet and exercise.
medicine.

Explanation:

The passage focuses on how forest - bathing (being in the forest) can lead to a decrease in blood pressure and is considered a form of medicine, highlighting the benefits of nature. Blood pressure is just a part of the evidence for the benefits of nature, diet and exercise are not mentioned, and medicine is only in the context of forest - bathing being a form of it.

Answer:

Benefits of nature.