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El AIRE, el AGUA, el SOL, el POLVO, las PLANTAS y los ANIMALES, las SUSTANCIAS QUíMICAS y los METALES de nuestro MUNDO... Sustentan la vida.

Scientists are exploring the role that chemicals may play in weight gain and obesity.

This study will evaluate subjects with adult- and childhood-onset myositis to learn more about their causes and the immune system changes and medical problems associated with them.

Many women develop irregular menstrual cycles which may make it difficult to become pregnant and increase the risk of osteoporosis.

Stories for kids about the environment and health.

Information to help kids to learn more about our environment, our health, and how NIEHS plays an important role in learning more about how the two are connected.

Science may seem like it’s a strange thing — complicated, even a mystery. But really, science is all about finding out about nature and how things work, the reasons behind every day things.

Click on the pictures for lots of coloring pages that can be printed!

Many people think animal allergies are caused by the fur or feathers of their pet.

Ragweed and other weeds such as curly dock, lambs quarters, pigweed, plantain, sheep sorrel and sagebrush are some of the most prolific producers of pollen allergens