Much of the rest of the world, however, uses A4, which is 21 cm x 29.7 cm. In the U.S., a letter sized sheet of paper is 8.5 x 11 inches; legal size is 8.5 x 14 inches<br /><br />Much of the rest of the world, however, uses A4, which is 21 cm x 29.7 cm.
Hair loss often signals a variety of medical problems and could be the result of a low amount of red blood cells in your system. This condition is called anaemia. The body needs certain nutrients to produce more red blood cells and if there is a lack of one or more of these nutrients, anaemia will develop.
Folic acid. A decrease in folic acid may contribute to decreased hair-follicle cell division and growth. Folic acid is also essential for the maintenance of healthy methionine levels in the body. Signs of folic-acid deficiency include anemia, apathy, fatigue, and graying hair. A therapeutic dose of 400-800 mcg daily is recommended. Biotin, part of the vitamin B complex, is another nutrient associated with hair loss.