http://pucir.inflibnet.ac.in:8080/jspui/handle/123456789/233 Assistant Professor & Head Zotlang/Kolasib 2025-10-30T07:21:44Z http://pucir.inflibnet.ac.in:8080/jspui/handle/123456789/1068 Title: Association of tobacco use, betel consumption and gastric cancer in Mizoram Abstract: Cancer is a disease that affects the livelihood of humankind for ages. Dietary habit and lifestyle have been attributed to the development of many forms of cancer including gastric cancer. The state of Mizoram located in the northeastern India has been recorded to be a cancer prone area. Most Mizo people indulge in the use of smoke and smokeless tobacco and betel chewing. A study in this high cancer incidence zone is necessary to determine the actual cause of the disease. In this study, we evaluate the influence of tobacco use and betel consumption on gastric cancer. We conclude that individuals with a family history of cancer who consumed betel, smoke and smokeless tobacco have a higher risk of gastric cancer. We also found an association between increased risk of gastric cancer and consumption of betel or sahdah alone and betel with sahdah 2015-05-10T00:00:00Z http://pucir.inflibnet.ac.in:8080/jspui/handle/123456789/729 Title: Model of Transmission Dynamicsof COVID-19 including Natural Birth Rateand considering the Differencein Death Ratesof Uninfectedand Infected Population Authors: Lalpawimawha Abstract: We have presented a mathematical model using Ordinary Differential Equations to investigate the transmission of COVID-19. We included the parameter for the natural birth rate of the susceptibles, considering the fact that births take place each day. Taking into account that the infected population would have a higher death rate than the uninfected population, we used different parameters for the death rate of the uninfected and the infected population. We estimated an 0 R of approximately 2.9, meaning that on an average each patient has been spreading the infection to 2.9 other people. The values of the parameters of the model have been estimated based on available data and numerical illustration has been carried out to describe the transmission process. 2022-01-01T00:00:00Z http://pucir.inflibnet.ac.in:8080/jspui/handle/123456789/728 Title: Factors affecting habitat selection by Mrs Hume’s Pheasant Syrmaticus humiae (Hume, 1881) in Mizoram, northeast India Authors: Lalpawimawha Abstract: Mrs Hume’s Pheasant Syrmaticus humiae (Hume, 1881) is a globally near-threatened pheasant spe-cies. It is sparsely distributed in eastern part of Mizoram, northeast India. The factors that influ-enced the habitat selection of S. humiae in the tropical montane forest are studied during January 2013 to March 2015. Based on preliminary survey a possible site of occurrence of the species was identified in the community reserved forest (CRF) adjacent to Lengteng Wildlife Sanctuary (LWS), near Myanmar border. Line transects were laid on two separate sites to determine the habitat use by the species. Physical variables were recorded on each transect sampling site. Only eight sight-ings are recorded at the Pine dominated area having good ground cover of tall grasses. The data analysis by principal component analysis (PCA) and stepwise logistic regressions analysis showed that litter cover and temperature plays a significant role (p<0.05) in the habitat selection by S. humiae. The possible reasons for this relationship are discussed and compared with other records. 2016-02-02T00:00:00Z http://pucir.inflibnet.ac.in:8080/jspui/handle/123456789/727 Title: A Case-Control Study of Alcohol Consumption and Esophageal Cancer in the Northeast State of Mizoram, India Authors: Lalpawimawha Abstract: Summary: Esophageal cancer is one of the main health issues in Mizoram. The risk factors of the disease are related to consumption of alcohol. There have not been any epidemiological studies on this subject in the state. The aim of the study is to assess the relationship between esophageal cancer and consumption of alcohol. Materials and Methods: A hospital based matched case-control study was conducted comprising of 138 cases with histologically confirmed diagnosis of esophageal cancer and 276 controls that were cancer and esophageal cancer disease free. Cases and controls matched by gender and age (± 5 years). Ratio of cases and controls were 1:2. A questionnaire was used to collect information on possible risk factors of esophageal cancer. The odds ratios (OR) and 95% confidence intervals (CI) for gastric cancer were calculated by a conditional logistic regression. Results: Cases had significantly lower education level. Most of the cases are from middle income class. After adjustment for consumption of betel quid, tobacco, smoking, body mass index (BMI), family history of cancer, education level and income level, higher risk of esophageal cancer was found for those who have the habit of consuming alcohol in the morning. After controlling for consumption of betel quid, tobacco, smoking, body mass index (BMI), family history of cancer, education level, income level, dietary habits, physical activity, consumption of Zu(locally brewed alcohol) and both Zu(locally brewed alcohol) and commercial alcohol(rum, whisky, vodka and beer, etc) are also associated with higher risk of esophageal cancer (O.R = 9.820, 95% CI = 2.029-47.523). 2016-01-01T00:00:00Z