A new study by the Kwame Nkrumah University of Science and Technology has found that only 6% of older people in Kumasi are properly exposed to sunligh
A new study by the Kwame Nkrumah University of Science and Technology has found that only 6% of older people in Kumasi are properly exposed to sunlight, a factor crucial for the natural production of vitamin D.
The findings, published in the October 2024 edition of the Journal of Science and Technology, revealed that as a result, as high as 70% are deficient in vitamin D.
Vitamin D deficiency is a condition often linked to limited sunlight exposure and diets lacking vitamin D-rich foods.
Prolonged vitamin D insufficiency has been implicated in conditions such as compromised muscle function and a weakened immune response. Inadequate vitamin D can impair muscle performance and overall health, especially among older individuals.
For the study, blood analyses were used to determine vitamin D concentrations, while structured questionnaires evaluated sunlight exposure and dietary habits of 125 older adults aged 55 and above attending the KNUST Hospital. The researchers also measured their body composition.
The study also showed that only 22.3% of participants regularly consumed foods rich in vitamin D. This lack of dietary intake, combined with insufficient sunlight exposure, exacerbates the risk of vitamin D insufficiency in older adults.
Beyond vitamin D levels, the research found that 60.8% of the participants were overweight or obese, and 48% had reduced muscle mass.
The researchers, led by Prof. Mrs. Ibok Oduro from the Food Science and Technology Department, recommended more outdoor activities for adequate sunlight exposure, promoting the consumption of vitamin D-rich foods such as fatty fish, fortified cereals, and dairy products, and engaging in moderate physical activity to improve muscle health and body composition.
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