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Text-mining analysis finds that studies fall short of best practice — despite guidelines introduced in 2010. The largest-ever analysis of the quality of mouse studies reveals that as recently as 2014, only around 50% of research papers recorded both the sex and age of the animals used — key details needed for others to assess and reproduce the research1.

Spermidine acts as an endogenous free radical scavenger and inhibits the action of reactive oxygen species.

Mice who spent their free time on a running wheel were better able to shrink tumors (a 50% reduction in tumor size) compared to their less active counterparts. Researchers found that the surge of adrenaline that comes with a high-intensity workout helped to move cancer-killing immune (NK) cells toward lung, liver, or skin tumors implanted into the mice.