Sarah Jean Hartsfield, 48, was arrested last week and charged with felony murder after her husband, Joseph Hartsfield, died of a "suspicious illness" last month.
The findings suggest that drinking at least four cups of tea a day is associated with a 17 per cent lower risk of diabetes over an average period of 10 years.
People who regularly consumed one or more eggs per day increased their risk of diabetes by 60 per cent and the effect was more pronounced in women than in men