Original sentence: As of 2005, the record holder was a mouse whose growth hormone receptor had been genetically knocked out; it lived for 1819 days (almost 5 years).As of 2005, this record stood at 1356 days (about 3.7 years); the treatment was calorie restriction
Edited sentence: , the record holder is a mouse whose growth hormone receptor had been genetically knocked out; it lived for 1819 days (almost 5 years)., this record stands at 1356 days (about 3.7 years); the treatment was calorie restriction