Question

Give any two reasons why young school-age children today may have lower vitamin D levels than children 30֪–40 years ago.

Answer 1

Ans:1)vitamin D deficiency has become very common in both adults and children, due to a lack of exposure to sunlight.

The known risk factors associated with vitamin D deficiency are skin pigmentation, lesser sunlight exposure, lower intake of vitamin D rich food or supplements, and higher body mass index (BMI).

Children age between 5 years and 13 years ,they showed that vitamin D deficient children spent fewer hours outdoors in the daytime compare to indoor activity.

Common risk factors for vitamin D (25[OH]D) deficiency

Non-modifiable risk factors

• Age

• Female sex

• Non-white race

• Non-white race

• Antiepileptic therapy

• Malabsorption (inflammatory bowel disease and cystic fibrosis)

• Burns

Modifiable risk factors

• Obesity

• Less milk drinking

• Not taking vitamin D supplements

• Less outdoor physical activity

• Exclusive breast-feeding

• Sunscreen use

• Clothing

Non-patient factors

• Higher latitude

• Season of year

• Lower altitude

• More cloud cover