![Prevalence of vitamin D insufficiency and deficiency in spring, summer,... | Download Scientific Diagram Prevalence of vitamin D insufficiency and deficiency in spring, summer,... | Download Scientific Diagram](https://www.researchgate.net/publication/51161791/figure/fig1/AS:202858621345809@1425376672837/Prevalence-of-vitamin-D-insufficiency-and-deficiency-in-spring-summer-autumn-and-winter.png)
Prevalence of vitamin D insufficiency and deficiency in spring, summer,... | Download Scientific Diagram
![Frontiers | A Basic Review of the Preliminary Evidence That COVID-19 Risk and Severity Is Increased in Vitamin D Deficiency Frontiers | A Basic Review of the Preliminary Evidence That COVID-19 Risk and Severity Is Increased in Vitamin D Deficiency](https://www.frontiersin.org/files/Articles/561571/fpubh-08-00513-HTML/image_m/fpubh-08-00513-g001.jpg)
Frontiers | A Basic Review of the Preliminary Evidence That COVID-19 Risk and Severity Is Increased in Vitamin D Deficiency
Dr Steven Lin - In the Northern hemisphere as Winter approaches, in most places, you will produce no vitamin D from the sun. If you live above 37 degrees north or south
![Prevalence and predictors of vitamin D deficiency in a nationally representative sample of Australian adolescents and young adults | European Journal of Clinical Nutrition Prevalence and predictors of vitamin D deficiency in a nationally representative sample of Australian adolescents and young adults | European Journal of Clinical Nutrition](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41430-021-00880-y/MediaObjects/41430_2021_880_Fig1_HTML.png)
Prevalence and predictors of vitamin D deficiency in a nationally representative sample of Australian adolescents and young adults | European Journal of Clinical Nutrition
!['As we head into winter, it's an important consideration': what's the deal with vitamin D? | Health & wellbeing | The Guardian 'As we head into winter, it's an important consideration': what's the deal with vitamin D? | Health & wellbeing | The Guardian](https://i.guim.co.uk/img/media/f5b5452a22fa895b04df4af86f11e710726475df/0_374_5616_3370/master/5616.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=26a7528202c547b15f203992a49dd184)