Thirty-six-year trends (1986–2022) in cigarette smoking and snus use in northern Sweden: a cross-sectional study by Stefan Söderberg, Maria Wennberg, Viktor Oskarsson, Jonas Andersson, Erica Sjödin, Maria Nordendahl, Lena Heldorsson Fjellström, Carolina Lundholm

“…Cigarette smoking—but not snus use—was more common in Norrbotten than in Västerbotten in 2022 (pbetween-group<0.01).Conclusions A substantial decline in cigarette smoking has occurred over time in northern Sweden, particularly among men and more notably in Västerbotten. …”
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Origin and Affinities of the Malmberget Iron Oxide-Apatite Deposit, Northern Sweden: Insights From Magnetite Chemistry and Fe-O Isotopes by Jens S. Henriksson, Valentin R. Troll, Ellen Kooijman, Ilya Bindeman, Tomas Naeraa, Tobias E. Bauer

“…European iron ore production is primarily sourced from magnetite dominated iron oxide-apatite ore deposits in the northern Norrbotten ore province of northernmost Sweden. The Malmberget iron oxide-apatite deposit is at present the largest iron ore resource in Europe and is an amphibolite facies grade analogue of the world-famous Kiirunavaara iron oxide-apatite deposit. …”
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