Vitamin D varies with latitude - map of Chile

Vitamin D vs latitude - Chile

Strangely, the above map was in the supplement  PDF, not the main PDF

Supplement from: Passive Commuting and Higher Sedentary Time Is Associated with Vitamin D Deficiency in Adult and Older Women: Results from Chilean National Health Survey 2016–2017
 Download the PDF from VitaminDWiki

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Some health problems that increase with latitude in Chile

• Seasonal Variation in Suicidal Deaths in Chile: Its Relationship to Latitude - 2006 https://doi.org/10.1159/000090596
• Higher latitude and lower solar radiation influence on anaphylaxis in Chilean children - 2014 FREE PDF
• Associations of Blood Pressure With Geographical Latitude, Solar Radiation, and Ambient Temperature: Results From the Chilean Health Survey, 2009–2010 = 2016 FREE PDF
• Geographic latitude and sleep duration: A population-based survey from the Tropic of Capricorn to the Antarctic Circle - Jan 2017 https://doi.org/10.1080/07420528.2016.1277735

Higher incidence of many health problems if Higher Latitude

• Many diseases increase with latitude (low UV, Vitamin D) many "smile" charts
• Dementia risk increases with latitude (less vitamin D) - Feb 2015 Sweden
• Schizophrenia and vitamin D have latitude-related genes – Nov 2010
• Headaches vary with latitude and season and perhaps vitamin D as well -May 2010
• Many autoimmune diseases associated with latitude and vitamin D receptor – March 2016
• Rheumatoid Arthritis associated with lower vitamin D and higher latitude – meta-analysis Jan 2016
• Crohn’s disease associated with vitamin D and latitude – meta-analysis Dec 2015
• Autism and Vitamin D massive review – latitude, season, migration, VitD levels and intervention – April 2016
• Mortality varies with latitude in the UK – Feb 2011
• Vitamin D far from Equator category listing has 124 items along with related searches

Cancer and Latitude

• Breast Cancer vs latitude
• Non-melanoma skin cancer varies with latitude, melanoma does not – April 2017

MS and latitude

• Why has the MS latitude gradient disappeared – Oct 2011 - reasons might apply to other diseases as well
• MS is related to latitude – conclusion from 321 studies – April 2011
• Multiple Sclerosis incidence varies with latitude (noted in Brazil too) – Nov 2015

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