The laboratory analyzed samples over the past three years and found that 1 in 5 people in Chennai in the productive, 20-40 age group had vitamin B12 deficiency and of the 16,000 samples tested for vitamin D deficiency, 14,000 were found positive. Metropolis Healthcare vice-president (operations) Dr Anita Suryanarayan said, "Despite awareness that Indians are severely deficient in vitamins, we have not seen any improvement in the trend in the past three years". Vitamins play an important role in the body and maintaining sufficient levels of vitamins is essential. "Vitamins B9, B12 and other B vitamins play an important role in producing DNA and red blood cells as well as brain chemicals that affect mood and other brain functions," she said.
Consultant dietician Dr K Swaminathan said low levels of vitamin B12 and other B vitamins such as vitamin B6 and folic acid may be linked to depression. Symptoms of deficiency include fatigue, memory loss, giddiness, palpitations, mouth ulcers and loss of energy. "Vitamin B12 deficiency can be prevented by enough intake of meat, poultry, seafood, milk and dairy products," he said.
The deficiency of vitamin B12 is so pronounced that it is the culprit behind the sub-optimal blood levels of nearly half of the country's population, said consultant nutritionist Dr Deepa Agarwal of Asian Bariatrics. "Insufficient B12 levels in the blood make an individual vulnerable to a variety of problems such as depression, sleep issues, dementia, Alzheimer's, cardiovascular disease, anaemia, cancer, and irreversible brain damage," she said. Vitamin B12 is stored in the liver for a year or more, which reduces a person's risk of anaemia, she added.Likewise, the body must have a sufficient amount of vitamin D to absorb calcium and promote bone growth. Too little vitamin D results in soft bones in children and fragile bones in adults. Vitamin D deficiency has now been linked to breast cancer, colon cancer, prostate cancer, heart disease, depression, weight gain, and other maladies. "Vitamin D is so important that your body makes it by itself but only after the skin's exposure to sufficient sunlight. Otherwise, you should get vitamin D from foods such milk and milk products and green leafy vegetables or from supplements," said Dr Agarwal.
Talking about the increasing trend of vitamin deficiency among youth, Dr Anita Suryanarayan said it was important for the youth to be well aware about the health risks of vitamin deficiency. "Getting tested and taking medical advice from a doctor is the need of the hour," she said.
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