Obesity, weight dysregulation and various degenerative diseases which are present at a huge scale are repercussions of low physical activity and unhealthy eating habits. Dietary risks, which include diets low in fruits, vegetables, and whole grains, but high in salt and fat, were found to be India’s third leading risk factor for causing disease burden, after child and maternal malnutrition and air pollution; followed closely by high blood pressure and high blood sugar. According to NFHS-4 there is a consistent and steep increase in the prevalence of hypertension and diabetes with increase in body mass index (BMI) for both women and men. 29% of obese women and 38 % of obese men were hypertensive and Six percent of women and eight percent of men aged 15-49 had random blood glucose levels greater than 140 mg/dl. Mobile Health Apps have emerged as a tool which offers opportunities to encourage physical activity and induce healthy eating habits among its users. Thus, they stand a chance of reducing risk and prevalence of various diseases. The extent to which they include the evidence-based behavioural strategies need to be identified. This paper presents an in-depth study of prominent nutrition and fitness themed smartphone apps and their effect on diet, physical activity and behaviour modifications. | The promise and peril of health apps in diet, physical activity and behaviour modifications: A systematic review
