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.
Many women stop using Depo Provera during the first year of use due to irregular bleeding (spotting) and/or prolonged bleeding â both of these Depo Provera side effects are especially common for most women during the first 3 months of use.