Quá thiếu vitamins

Serious de ciencies of most essential vitamins and minerals are relatively rare in America, although they do occur in some pockets of the country. More

o en, people get enough of the essential micronutri- ents to avoid overt de ciency ailments such as scurvy or rickets, but because of nutrient-poor diets, they get too little of some vitamins and minerals that can help ward o chronic health problems, such as osteoporo- sis, cardiovascular disease, and some types of cancer.

How can you tell if you could be compromising your health by not getting enough? While de nitive proof is hard to come by, there are certain clues