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.
Red blood cells transport oxygen to cells throughout your body, giving you the energy you need. The symptoms: Iron deficiency anemia causes extreme fatigue, weakness, and pale skin. You may also notice headaches, difficulty concentrating, cold hands and feet, and hair loss. Any type of exertion may leave you short of breath.