Dust Mites. Dust mites are teeny, tiny bugs that live in household dust. You have to be pretty small to live in dust — and they are. You actually need a microscope to see them! So if you can't even ...

Weaning is when a baby moves from breastfeeding to other sources of nourishment. Weaning your baby is a process that takes patience and understanding from both you and your child. When Is the Right ...

Need a science project, or just looking for something fun to do? These experiments reveal the way your body works. Check with a grown-up first because some will require help from an adult.

For most kids, body odor is part of growing up. Kids start to have body odor around the time puberty starts and hormones change. Usually, this happens when females are 8–13 years old, and males are ...

Lupus is a disease that causes the immune system to mistakenly work against the body's own tissues and attack healthy cells. Lupus can affect almost any organ. Symptoms of lupus — such as joint or ...

Hablar con tus padres sobre los anticonceptivos, como la píldora, te puede parecer incómodo. Pero te podrían sorprender: muchos padres están abiertos a mantener este tipo de conversaciones, porque sus ...

What Is Pneumocystis Pneumonia? Pneumocystis pneumonia (PCP) is a lung infection caused by a fungus. It's rare in healthy people, and usually affects those with a weak immune system.It's the most ...

La hemoglobina es una sustancia que está dentro de los glóbulos rojos y que transporta oxígeno a las células del cuerpo. Por lo general, las moléculas de glucosa (un tipo de azúcar) de la sangre se ...

Qué deben saber los educadores. La enfermedad celíaca es un trastorno digestivo causado por una reacción inmunitaria al gluten. El gluten es la proteína que contienen el trigo, la cebada, el centeno y ...