Caffeine is the most widely consumed stimulant in the world with an estimated 80–90% of adults reporting regular consumption of caffeine-containing beverages and foods (1). Caffeine intakes vary widely from country to ...

DNA damage caused by mutagens found in tobacco smoke may contribute to the development of coronary heart disease (CHD). Microsomal epoxide hydrolase (EPHX1) is involved in the metabolism of tobacco smoke mutagens and an ...