Previous investigations suggest that dietary soumres of polycyclic aromatic hydrocarbons (PAH1s) contribute to the PAH-DNA adduct load in peripheral white blood cells (WBCs). In the current study, wmeasred PAH-DNA adducts by enzymelinked immunosorbent assay in WBCs obtained from 47 California wildland (forest) firefighters at two time points (early and late) duringan active forest fire season. PAH-DNA adduct levels were not associated with recent firefighting activity, but were positively associated with frequency ofcharbroiled food consumption in the previous 2 weeks. In addition, adduct levels declined with time since last ingestion ofcharbroiled food. These studies indicate that recent consumption of charbroiled food contributes to the PAH-DNA adduct load in peripheral WBCs.

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Our public survey showed that more people walked during COVID-19, and walked more frequently. However, some people walked less, or their walking reduced over the various lockdowns. Many barriers or challenges to walking were identified by respondents. We have commissioned 30 artists from across the UK to contribute recipes to The Walkbook which address one or more of these research challenges including: bad weather, bored of walking, shielding, anxious, lack confidence, excluded, in pain, nowhere to walk, bored of walking the same route, cannot walk very far, frightened, lack time, can’t be bothered, isolated. We hope that The Walkbook provides people – individuals and groups – with inspiration to walk, and to keep on walking.

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