A book on super lung activity has arrived.

It takes about 1 minute to read this article.

https://www.amazon.co.jp/%E6%9C%80%E9%AB%98%E3%81%AE%E4%BD%93%E8%AA%BF%E3%82%92%E5%BC%95%E3%81%8D%E5%87%BA%E3%81%99%E8%B6%85%E8%82%BA%E6%B4%BB-%E5%B0%8F%E6%9E%97-%E5%BC%98%E5%B9%B8/dp/4776211238/ref=sr_1_1?__mk_ja_JP=%E3%82%AB%E3%82%BF%E3%82%AB%E3%83%8A&dchild=1&keywords=%E8%B6%85%E8%82%BA%E6%B4%BB&qid=1615632432&sr=8-1

It will be released at bookstores nationwide on March XNUMXth.
A book on super lung activity by Professor Hiroyuki Kobayashi of Juntendo University School of Medicine.
It arrived from the publisher a little earlier.
Lung function improvement training

Rejuvenation of lung age
Immunity improvement
Autonomic nervous function up

The results of research and guidance so far have shown that it not only contributes to good health but also dramatically improves the performance of athletes.

From now on, use lung training instead of muscle training!Rejuvenate!