Experimental winter warming increases activity with signs of potential DNA damage in common wall lizards.

Although post hoc pairwise comparisons did not reach significance after Tukey correction – probably because of limited statistical power – the contrast between cold and mild winter treatments approached significance (β=−191.3 pg ml −1 ; 95% CI: [−384.3, 1.73]; P =0.052; Table 1 ), suggesting a potential increase in DNA oxidative damage under warmer winter conditions.

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However, the mild regime showed a trend toward increased oxidative DNA damage, highlighting a previously unrecognised physiological vulnerability that merits further investigation.

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