Push-ups always came easy to me. In my 20s and 30s, I could crank out more than 30 a day if I wanted to, and I loved how strong they made me feel. But the other day, when I went to do a set of 10 push ...

The 100 Push-Ups a Day in January challenge encourages supporters to raise funds for Cancer Research UK by committing to do 100 push-ups every day throughout January. Participants take on the physical ...