When people have enough vitamins B,their appetite is good and their nerves are calm..VitaminsB in the diet come from some meats and vegetables ,milk,cottage cheese,and whole grains.

When a grain is processed,it loese vitamins .For example there is a big difference between brown and white rice.When rice is processed,the brown outside is lost .The brown outside of rice has more important vitaminsB than processed rice.

VitaminC keeps the cells of the body together .It helps skin tissue recover from cuts and burns.Vitamin C in the diet comes from tomatoes ,citrus fruit like lemins ang oranges,and some vegetables such as cabbage and green peppers.

VitaminD is called"sunshine"vitamin .When people sit outside,ultraviolet rays fome the sun change fat in their skinto vitaminD.VitaminD is also in cod liver oil and the yellow of eggs.It is sometimes added to milk .VitaminD helps the body absorb calcium.It helps build strong bones ,and it prevents a disease in children that is callde rickets(软骨病）．