Som jag skrivit om länge (tex här 2010 https://4health.se/mjolkfett) – det enda som är nyttigt i mejeriprodukterna är fettet. Och fettet är riktigt bra! Däremot bör de flesta vara försiktiga med både mjölkprotein och mjölksocker.
Nu är en ny studie publicerad. Den nya studien startade redan 1992. Ca 3000 personer i 65-årsåldern och äldre ingick i studien. Deltagarna följdes i totalt 22 år. Man mätte deras koncentrationer av olika fettsyror i blodet vid baseline, dvs efter 0 år; efter 6 år och efter 13 år. Sen jämförde man det med hjärt- och kärlsjukdomar och allmänna dödsorsaker under 22 år.
Man hittade inte något som helst samband mellan fetter och för tidig död. Tvärtemot var högre nivåer av vissa fettsyror associerade med lägre dödlighet i hjärtsjukdom. Det visade sig också att om man hade en högre fettsyranivå, så hade man 42 procents lägre risk att dö av en stroke.
Så mer smör och ghee åt folket 🙂 ! (men låt bli kvarg, keso och annat trams)
Ur studien:
“Objective
The aim of this study was to investigate prospective associations of serial measures of plasma phospholipid fatty acids pentadecanoic (15:0), heptadecanoic (17:0), and trans-palmitoleic (trans-16:1n–7) acids with total mortality, cause-specific mortality, and cardiovascular disease (CVD) risk among older adults.
Design
Among 2907 US adults aged ≥65 y and free of CVD at baseline, circulating fatty acid concentrations were measured serially at baseline, 6 y, and 13 y. Deaths and CVD events were assessed and adjudicated centrally. Prospective associations were assessed by multivariate-adjusted Cox models incorporating time-dependent exposures and covariates.
Results
During 22 y of follow-up, 2428 deaths occurred, including 833 from CVD, 1595 from non-CVD causes, and 1301 incident CVD events. In multivariable models, circulating pentadecanoic, heptadecanoic, and trans-palmitoleic acids were not significantly associated with total mortality, with extreme-quintile HRs of 1.05 for pentadecanoic (95% CI: 0.91, 1.22), 1.07 for heptadecanoic (95% CI: 0.93, 1.23), and 1.05 for trans-palmitoleic (95% CI: 0.91, 1.20) acids. Circulating heptadecanoic acid was associated with lower CVD mortality (extreme-quintile HR: 0.77; 95% CI: 0.61, 0.98), especially stroke mortality, with a 42% lower risk when comparing extreme quintiles of heptadecanoic acid concentrations (HR: 0.58; 95% CI: 0.35, 0.97). In contrast, heptadecanoic acid was associated with a higher risk of non-CVD mortality (HR: 1.27; 95% CI: 1.07, 1.52), which was not clearly related to any single subtype of non-CVD death. No significant associations of pentadecanoic, heptadecanoic, or trans-palmitoleic acids were seen for total incident CVD, coronary heart disease, or stroke.
Conclusions
Long-term exposure to circulating phospholipid pentadecanoic, heptadecanoic, or trans-palmitoleic acids was not significantly associated with total mortality or incident CVD among older adults. High circulating heptadecanoic acid was inversely associated with CVD and stroke mortality and potentially associated with higher risk of non-CVD death.”
Läs mer via https://4health.se/?s=mejeriprodukter
https://www.sciencedaily.com/releases/2018/07/180711182735.htm
https://www.expressen.se/halsoliv/halsa/forskare-nej-det-ar-inte-farligt-med-gradde-och-smor/
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