Methodology
The study was conducted at The Community Health Centre (Family Practice Centre), of The Aga Khan
University Hospital, Karachi, Pakistan, in October 1998. A questionnaire was developed to record the
garlic consumption in the index case per month.
The questionnaire contained questions on total garlic consumption by the household, number of
persons in the household including children between 2 to 8 years age. Number of meals taken outside
were asked as well as