I checked my Vitamin D levels for 12 Months!

This video is my personal experience with the health care system in a so called FREE country and my levels of vitamin D and my health.

DEFICIENCY
"Vitamin D deficiency and insufficiency among US adults: prevalence, predictors and clinical implications":
https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/vitamin-d-deficiency-and-insufficiency-among-us-adults-prevalence-predictors-and-clinical-implications/44E436843510FE6BDE856D5BCB9C651F

COGNITION
"Low vitamin D serum levels as risk factor of Alzheimer’s disease: a systematic review and meta-analysis":
https://ejnpn.springeropen.com/articles/10.1186/s41983-023-00676-w

"Vitamin D supplementation and incident dementia: Effects of sex, APOE, and baseline cognitive status":
https://alz-journals.onlinelibrary.wiley.com/doi/10.1002/dad2.12404

"Vitamin D Supplementation Improves Cognitive Function Through Reducing Oxidative Stress Regulated by Telomere Length in Older Adults with Mild Cognitive Impairment: A 12-Month Randomized Controlled Trial":
https://pubmed.ncbi.nlm.nih.gov/33164936/

CANCER
"Circulating vitamin D level and mortality in prostate cancer patients: a dose-response meta-analysis":
https://pubmed.ncbi.nlm.nih.gov/30352424/

MYOCARDIAL INFARCTION
"Vitamin D and Myocardial Infarction" (1974): https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1611643/pdf/brmedj01996-0021.pdf

AFRICA
Vitamin D Deficiency and Its Health Consequences in Africa":
https://link.springer.com/article/10.1007/s12018-009-9038-6#rightslink

AGING
"Aging decreases the capacity of human skin to produce vitamin D3": https://www.jci.org/articles/view/112134

OVERDOSING
"Daily oral dosing of vitamin D3 using 5000 TO 50,000 international units a day in long-term hospitalized patients: Insights from a seven year experience":
https://pubmed.ncbi.nlm.nih.gov/30611908/

SOCCER PLAYERS
"Vitamin D and Exercise Performance in Professional Soccer Players":
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0101659

"Seasonal pattern of vitamin D in male elite soccer players"
https://link.springer.com/article/10.1186/1550-2783-8-S1-P35

"Circannual rhythm of plasmatic vitamin D levels and the association with markers of psychophysical stress in a cohort of Italian professional soccer players"
https://www.logoluso.it/storage/files/5ffc33e9149c6_Circannual%20rhythm%20of%20plasmatic%20vitamin%20D%20levels%20and%20the%20association%20with%20markers%20of%20psychophysical%20stress%20in%20a%20cohort%20of%20Italian%20professional%20soccer.pdf