Satveer Singh

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Forty to fifty per cent of skeletal mass, accumulated during childhood and adolescence, is influenced by sunlight exposure, physical activity, lifestyle, endocrine status, nutrition and gender. In view of scarce data on association of nutrition and lifestyle with hypovitaminosis D in Indian children and adolescents, an in-depth study on 3,127 apparently(More)
OBJECTIVE To determine the efficacy of supplementation with oral vitamin D₃ (cholecalciferol) on bone mineral biochemical parameters of school-going girls. SETTING Government school (government-aided) and Private school (fee paying) in Delhi. DESIGN Randomized controlled trial. INTERVENTION Cholecalciferol granules (60,000 IU) orally with water,(More)
BACKGROUND Current data on the prevalence of vitamin D deficiency in India are scarce. OBJECTIVE We assessed the calcium-vitamin D-parathyroid hormone axis in apparently healthy children from 2 different socioeconomic backgrounds in New Delhi, India. DESIGN Clinical evaluation for evidence of vitamin D deficiency was carried out in 5137 apparently(More)
CONTEXT Nutritional rickets is usually attributed to vitamin D deficiency. Studies from some tropical countries have postulated low dietary intake of calcium as the cause of nutritional rickets. Both vitamin D and dietary calcium deficiency are highly prevalent in India. Information on their relative contribution in the development of rickets in Indian(More)
CONTEXT Thyroid autoimmunity is the most common coexistent endocrinopathy in type 1 diabetes (T1D), Addison's disease, and premature ovarian failure (POF). Although the role of autoimmunity is being investigated in patients with sporadic idiopathic hypoparathyroidism (SIH), there is little information on coexistent thyroid autoimmunity. OBJECTIVE Our(More)
We undertook this study to characterize peak bone density and evaluate its determinants in a healthy cohort of young adult male paramilitary personnel. Bone mineral density (BMD) was measured by dual-energy X-ray absorptiometry in 473 healthy men aged 21-40 yr. The effect of anthropometry and biochemical parameters on BMD was determined. Mean BMD values of(More)
OBJECTIVES To generate thyroid hormone reference norms using electro-chemiluminescence technique. DESIGN AND METHODS Cross sectional study on apparently normal 4349 Delhi adults (18-86 years). Predetermined exclusion criteria (goiter, hypoechogenicity or nodularity on ultrasound, elevated anti-thyroid peroxidase antibody, hypo or hyperthyroidism and(More)
INTRODUCTION Rickets is usually attributed to vitamin D deficiency. However, recent studies have implicated dietary calcium deficiency in its etiology. Information on relative efficacy of calcium, vitamin D or both together in healing of rickets is limited. OBJECTIVE To study effect of treatment with calcium, vitamin D or a combination of these two on(More)
OBJECTIVES The aim was to find impact of two decades of universal salt iodization on the prevalence of goiter, thyroid autoimmunity and thyroid dysfunction in Indian adults. METHODS This was a cross sectional study from Delhi, India. The subject population included 4409 adult members of resident welfare associations of 5 residential colonies, from 18-90(More)
OBJECTIVE The aim was to find the prevalence of polycystic ovary syndrome (PCOS) phenotype in adolescent euthyroid girls with chronic lymphocytic thyroiditis (CLT). DESIGN This was a prospective case-control study as part of an ongoing community-wide thyroid survey in Indian schools. METHODS One hundred and seventy-five girls with euthyroid CLT and 46(More)