1. Soak up the sun

A Barcelona hospital is letting its Covid-19 patients out into the sun, partly in a bid to increase their vitamin D intake, after a Spanish study suggested it reduces intensive care unit (ICU) admissions. The study was published in the Journal of Steroid Biochemistry & Molecular Biology, and participants were divided into two groups. The control group received standard care and the second group were given vitamin D supplements. Half of the control group were admitted to ICU, and two died. However, in the vitamin D group, only one out of 50, or 2%, required ICU admission and no-one died...

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