The ancient Maya processed their corn by boiling it with snail shells or with white lime. The process, known today as nixtamalization, made the corn's niacin available.
Depo-Provera can cause irregular bleeding and other side effects. Irregular bleeding The most common side effect of the birth control shot is irregular bleeding.
The most common side effect associated with the Birth Control Implant is irregular and unpredictable bleeding (these side effects also occur with the Depo-Provera shot). Bleeding irregularities could include more, less or no bleeding, as well as random spotting. However, most women experience fewer and lighter periods.