Motion sickness can make travelling very uncomfortable, but more often than not, people who suffer from it cannot completely avoid commuting for various reasons. What is the reason behind this? Dr Pranav Honnavara Srinivasan, senior consultant gastroenterology at Sparsh Hospital, says, “The scientific basis for using lemon juice aroma to alleviate motion sickness lies in the properties of citrus scents, which are believed to have a calming effect on the central nervous system. Lemon juice contains compounds such as limonene and citral, which have been studied for their potential to…