Swimming is one of the most common sports in the world, not only to exercise the muscles of the whole body, but also to improve blood circulation and strengthen the heart and lungs.
Regarding swimming, there are also many highly controversial sayings circulating on the Internet: going to winter swimming early in the morning has the best effect on strengthening the body; The water in public pools is particularly dirty and can infect people with sexually transmitted diseases; As long as you have good physical strength, you can swim far enough......
How true are these claims? Today we're going to talk about swimming safety.
Open the summer of Baoshan with cold noodles, and only people in Jiangsu, Zhejiang and Shanghai understand the gold content of this mouthful......
Good looking, fun! This depot has become a check-in place for citizens' cultural and sports activities
Dog days "baking" test constantly, come to the cool "post"!
Editor: Lu Tianyu
Source: People's Daily Online
*Please indicate that the reprint is from the official WeChat of Shanghai Baoshan