Scientists working on an experimental anti-aging therapy say they have set a record by extending the lifespan of a lab rat named Sima, The Guardian reports..

Seema is the last survivor of a group of rodents injected with blood plasma taken from young rats.. This was done in order to determine if the procedure could prolong their life..

Sima was born on February 28, 2019. At 47 months old, the animal that set the previous Sprague-Dawley rat life record lived 45.5 months.. Seema outlived her closest 'competitor' in study by six months.

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Scientists are testing injecting blood plasma from young rats as previous studies have shown it can " But despite the success of the procedure in rats, there is no evidence that it can help humans..

The final results of the study will be published after Sima dies.. But the data so far shows that eight rats given placebo saline infusions lived 34 to 38 months, while eight rats given a purified and concentrated form of blood plasma called E5 lived 38 to 38 months..

Rats typically live two to three years, but a brown rat kept on a reduced-calorie diet lived 4.6 years..

Studies conducted on such a small group of animals can be called preliminary at best.. But many scientists believe in their perspective. Previous studies have shown that infusions of young blood plasma reverse the biological clock in rat liver, blood, heart, and a region of the brain called the hypothalamus..

Commenting on the 2020 paper, Professor David Sinclair, a leading authority on aging at Harvard Medical School, said that if the finding is confirmed, “body rejuvenation could become commonplace throughout our lives.”.

Previously, scientists from the US National Institutes of Health have identified a link between drinking water and aging.. According to them, those who do not drink enough water are at an increased risk of developing chronic diseases and dying at a young age..