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.
Long-term use of Depo-Provera may lead to loss of bone mineral density, which makes osteoporosis more likely. This risk is greater if you've taken the shot for longer than 2 years, especially if osteoporosis runs in your family, you drink a lot, you smoke, or you have other risk factors for the condition.