Half a billion people live with little vitamin D from the sun – Dec 2016 | VitaminDWiki
Estimated equivalency of vitamin D production from natural sun exposure versus oral vitamin D supplementation across seasons at two US latitudes - ScienceDirect
Your Shadow Can Tell You if it's the Right Time to Make Vitamin D - GrassrootsHealth
Neil Peter Walsh on Twitter: "Safe summer sun and winter oral vitamin D3 recommendations in our Exerc Immunol Review 2016 paper https://t.co/0wYrsmy1a3" / Twitter
Getting Vitamin D during the dead of winter
Sunshine Calendar - GrassrootsHealth
Solar ultraviolet doses and vitamin D in a northern mid-latitude - ScienceDirect
Vitamin D receptor, a powerful weapon against colorectal cancer - Mapping Ignorance
Vitamin D's Role in Health — Deterministic or Indeterminate?
Vitamin D and Cancer - Patricia Daly
Frontiers | Latitude, Vitamin D, Melatonin, and Gut Microbiota Act in Concert to Initiate Multiple Sclerosis: A New Mechanistic Pathway
Vitamin D Recommendations Infographic
Americans living north of 37° latitude (shaded area) are at greater... | Download Scientific Diagram
Ep74 Vitamin D Status, Latitude and Viral Interactions: Examining the Data - YouTube
![PDF] Influence of season and latitude on the cutaneous synthesis of vitamin D3: exposure to winter sunlight in Boston and Edmonton will not promote vitamin D3 synthesis in human skin. | Semantic](https://d3i71xaburhd42.cloudfront.net/32e23168b50cac2e5aceaf21c0a801e8bf8d41c7/3-Figure3-1.png "PDF] Influence of season and latitude on the cutaneous synthesis of vitamin D3: exposure to winter sunlight in Boston and Edmonton will not promote vitamin D3 synthesis in human skin. | Semantic")
PDF] Influence of season and latitude on the cutaneous synthesis of vitamin D3: exposure to winter sunlight in Boston and Edmonton will not promote vitamin D3 synthesis in human skin. | Semantic
Time in sun (in Spain) to get 4,000 IU of vitamin D: half hour in July , 2 hours in October – Sept 2016 | VitaminDWiki
Vitamin D and The Winter Blues - Falkner Family Chiropractic
Many diseases increase with latitude (low UV, Vitamin D) | VitaminDWiki
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
Do I Get Enough Vitamin D in the Winter? - The New York Times
Multiple sclerosis and vitamin D: an update | European Journal of Clinical Nutrition
Nutrients | Free Full-Text | Seasonal Changes in Vitamin D-Effective UVB Availability in Europe and Associations with Population Serum 25-Hydroxyvitamin D
