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Introduction: Childhood obesity is one of the most serious public health challenges of the 21st century and prevalent global public health issue as children. The number of overweight or obese infants and young children (aged 0 to 5 years) increased from 32 million globally in 1990 to 41 million in 2016. Overweight and obese children are likely to stay obese into adulthood and more likely to develop non communicable diseases like diabetes and cardiovascular diseases at a younger age. Therefore Prevention of childhood needs high priority. Material & Methods: 125 citations in PubMed & ISI Web of science found by electronic search and finally 19 articles were selected for writing systemic review. The search strategy consisted of search strings composed of terms targeting: prevalence, childhood obesity, prevention we restricted the search to articles published since 2012 to appropriate balances feasibility of implementation and the validity of the resulting information. Result: The prevalence of overweight and obesity among children and adolescents aged 5-19 has risen dramatically from just 4% in 1975 to just over 18% in 2016. (WHO, 2017). Somewhere between 5.74 percent and 8.82 percent of school children in India are obese. In China, the overweight and obesity rate in children aged 7 and over was 12.2% and 7.3%, respectively. Four different studies were screened which was focused on at least one components like physical activity, physical fitness, fruit consumption. Significant changes observed on sedentary time (Watching TV and studying), active play time and fruit consumption but there was no effect on BMI or the prevalence of Overweight/ Obesity. A family Based Obesity prevention programme is effective strategy to prevent childhood obesity by providing physical activity classes to improve behavior and skills of the children. Conclusion: The strength of evidence is stated that family based intervention plays pivotal role in preventing Childhood obesity

The prevalence of COVID 19 disease cases in India stands too high; this disease is caused by the coronavirus called SARS-CoV-2. Noval coronavirus virus was firstly detected in a group of people suffering from Pneumonia in Wuhan, China. Several studies are conducted to understand the different aspects of novel coronavirus SARS-CoV-2 in causing severe respiratory infections. However, the impact of risk factors on the severity of the symptoms and outcome of COVID 19 is not clearly understood. Similarly, most studies reported that patients who suffer from comorbidities with COVID 19 had a poor prognosis. Most COVID 19 patients who had preexisting medical conditions such as hypertension, diabetes, obesity, smoking habit, etc., required ICU admission and mechanical ventilation. On the other hand, studies reported that COVID 19 infection is responsible for causing the predominant cardiovascular diseases due to myocardial damage, thromboembolism arrhythmias, and ACS.

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