TeensHealth

1Blood Transfusions
More than 5 million people a year get blood transfusions in the United States. This article for teens explains why people need them and who donates the blood used.

2Blood Types
Blood might look the same and do the same job, but tiny cell markers mean one person's body can reject another person's blood. Find out how blood types work in this article for teens.

3Donating Blood
There's a 97% chance that someone you know will need a blood transfusion. Blood donors — especially donors with certain blood types — are always in demand. Find out what's involved in this article for teens.

4I Have Sickle Cell Disease. What Should I Know About Going Away to College?
Find out what the experts have to say.

5Transfusiones de sangre
La sangre no es el tema favorito de nadie. De hecho, probablemente estarías mucho más tranquilo si tu sangre se limitara a quedarse en su sitio, es decir, dentro de tu cuerpo. Pero las transfusiones de sangre salvan vidas cada día.

6Blood
Without blood, our organs couldn't get the oxygen and nutrients they need, we couldn't keep warm or cool off, we couldn't fight infections, and we couldn't get rid of our own waste products. Find out about the mysterious, life-sustaining fluid called blood.

7Hepatitis
Hepatitis, an infectious liver disease, is more contagious than HIV, and just like HIV, there is no cure. Find out how to protect yourself.

8Anemia
Anemia is common in teens because they undergo rapid growth spurts, when the body has a greater need for nutrients like iron. Learn about anemia, including how to lower your risk of getting it and how it's treated.

9How Do People Get AIDS?
AIDS, or acquired immunodeficiency syndrome, is a disease where the body is unable to fight off many infectious diseases as it normally could. Find out how AIDS is spread and how to protect yourself against it.

10Tipos de sangre
Las transfusiones de sangre son uno de los procedimientos hospitalarios más frecuentes. Todas las unidades de sangre extraídas se someten a un montón de pruebas para comprobar que no pueden transmitir enfermedades infecciosas y determinar el tipo de sangre.