People 20 Life Lessons from the 1900s Still Relevant Today C.C. 0 © Hulton Archive/ Getty Images Exercise The importance of exercise to reduce stress and improve one’s health was becoming more widely known in the early 20th century. Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 <1 ... 1718 19 2021>
