What really moved those coffin nails, however, was the image of the American cowboy

Top contributors Sam Filby Research Officer, Research Unit on the Economics of Excisable Products, University of Cape Town Joel Msafiri Francis Reader (Associate Professor), University of the Witwatersrand James Martin Associate Professor in Criminology, Deakin University Becky Freeman Professor in Public Health, University of Sydney Michelle Jongenelis Professor, Melbourne Centre for Behaviour Change, The University of Melbourne Corne van Walbeek Professor of Economics and Director of the Research Unit on the Economics of Excisable Products, University of Cape Town Michael Reeve Lecturer in Modern British History, The Open University Nicola Lindson Associate Professor, Nuffield Department of Primary Care Health Sciences, University of Oxford Angela Difeng Wu Postdoctoral Researcher, Behavioural Medicine, University of Oxford Jamie Hartmann-Boyce Assistant Professor of Health Promotion and Policy, UMass Amherst Lesia M

Saliva contains enzymes and antibodies that inhibit many pathogens, and stomach acid kills most of what reaches the digestive tract
As this lining deteriorates, the throat becomes more vulnerable to infections and inflammation, perpetuating chronic soreness and long-term sensitivity
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10.2105/AJPH.2013.301299 16