A study on 132 patients of Head and Neck cancer in South East Asia was conducted by Arifa Aziz et al. As per this study, Head and neck cancers were observed to be more common in males 101 (76.5%)
as compared to females 29 (22%). The commonest environmental
factors causing head and neck cancer included various forms of smokeless tobacco including pan, mainpuri, supari
and gutka. Out of 132 patients, 77 (58.3%) were using smokeless tobacco, 41(31.1%) were cigarette smokers and 6 (4.5%) were using
alcohol. The commonest cause was found to be different forms of smokeless tobacco easily accessible to the public. Read more
Usually, the stratospheric ozone show its significance in the variability of mesospheric tides in normal days over the low-latitude region. But during sudden stratosphere warmings, the water vapor and ozone over the polar region change and shows some different effects on mesosphere tides. In the present study, G. Venkata et al have provided the unusual changes in both water vapor and ozone over Antarctica and their role in altering the mesospheric tides. Read More
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