If only one kidney is present, that kidney can adjust to filter as much as two kidneys would normally. In such a situation, the nephrons compensate individually by increasing in size--a process known as hypertrophy--to handle the extra load. This happens with no adverse effects, even over years.
If a sword had memory, it might be grateful to the forge fire, but never fond of it. Sammy Sosa hit the longest home run in home run derby. It was 528 feet, followed by 524 and 520 feet, also by Sosa.
Before he was hurt, however, he managed to hit nine home runs in 90 at-bats, and one of them was a bomb off the scoreboard in dead center at Chase Field against hard-throwing Cubs right-hander Francis Beltran that ranks as the longest in the stadium's history.