A 2013 study was undertaken by a team of researchers with doctorates in nutrition and medicine at an accredited research university. The study investigated risk factors for vitamin d deficiency in people who live in denmark and people who live in australia. By studying patterns in the population, the researchers demonstrated a correlation between the lack of sunny days in denmark and the high incidence of osteoporosis there, compared to the abundant sunny days and low incidence of osteoporosis in australia. However, the results could not rule out other factors in the subject's diet or lifestyle as possible causes of the discrepancy in incidence.

The study of 2013.

Was conducted by a team of researchers with a Ph.D. on nutrition set out for a credited research university

The result was to study factors of vitamin D deficiency.

Learn more about the study undertaken by the team.

link.

Fish consumption in Scandinavian is common. Fatty fish is a good source of vitamin D.

Explanation:

The vitamin D deficiency arises when there is inadequate sunlight exposure to human body. The skin absorbs the vitamin D from the sunlight and makes human body healthy. When a person is living in a area where there is less sunlight available then he should consider eating fatty fish, oily fish, red meat, liver and egg yolk. The deficiency of vitamin D can cause depression,  muscle weakness and Fatigue.

explanation:

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