From present Mali Centre Afrique Niger. The african geography was imprecise because no whites went into this hostile environment until new rifles and new medecine were discovered. The Niger river was supposed to flow all along the middle of west africa this was called Negroland.
Asparagus is high in vitamin K, which is the blood clotting vitamin. Many studies have found that vitamin K can also improve our bone health. These studies have also demonstrated that vitamin K can not only increase bone mineral density in osteoporotic people, but it can actually reduce fracture rates (1). Vitamin K is also a key player in supporting heart health.
1 A number of foods contain vitamin K, including green, leafy vegetables such as spinach, broccoli and lettuce, and beef, chicken and pork liver. 2  Green tea is a wonderful source of vitamin K. In this section, learn which foods are the best vitamin K sources. Learn more about this important vitamin on this page. 2  Foods That Contain Vitamin K Some vitamin K is produced naturally in the body with the help of bacteria; however, it's our responsibility to include vitamin K in our diet, as well.