Chicago - As the weather turns colder, many Chicagoans aren't spending much time in the sun, which can lead to vitamin D deficiency, especially in African-Americans. Dr. Adam Murphy, a urologist at Northwestern Medicine, joined us to explain.
Vitamin D deficiency causes brittle bones and has been linked to such diseases as prostate cancer, diabetes, rheumatoid arthritis and multiple sclerosis, Dr. Murphy said. Skin color and sunlight exposure need to be considered for recommended daily allowances of vitamin D.
It takes a dark-skinned male 90 minutes three times a week to absorb enough sunlight to produce the recommended amount of vitamin D, compared to just 15 minutes three times a week for a Caucasian male, Dr. Murphy said.
Your doctor can take a blood sample to test your levels for a Vitamin D deficiency. More sun exposure isn't the best answer for people who live in areas with low sunlight like Chicago. It will probably require taking supplements or increasing dietary intake through vitamin D-rich foods such прогнозировании other fatty fish, dairy and other foods fortified with vitamin D, Dr. Murphy said.
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