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Our bodies are home to approximately 100 trillion bacteria living inside us and on us-a vast community known as the microbiome. The Secret World Inside You explores the rapidly evolving science that is revealing the complexities of the human microbiome and reshaping our ideas about human health, offering new perspectives on common health problems including allergies, asthma, and obesity. 

3:45 video, From the microbes in our stomachs to the ones on our teeth, we are homes to millions of unique and diverse communities which help our bodies function. Jessica Green and Karen Guillemin emphasize the importance of understanding the many organisms that make up each and every organism.

We recently asked school nurses, "What's the most important thing teachers can do to help keep students healthy during the school year?"

TeensHealth- all about flu, prevention, treatment, when to get help

To keep your kids from developing an allergy to peanuts, should you give them nuts at an early age or withhold them? For years the debate has generated more heat than light, but today a landmark study led by King's College London researchers offers some potent evidence that suggests giving peanuts to infants dramatically decreases the risk of developing an allergy to peanuts.

Links to teacher's guide for October articles Eating with your eyes: The Chemistry of Food Colorings Tooth Decay: A Delicate Balance Probiotics: Good bactria good health Dirt? Who needs it? How hydroponics is poised to change the world Light in the cellar of the sea

This index organizes teaching resources by topic-related issue and provides teaching resources (case studies, problems, videos, articles, activities, and other resources) which can be used to to facilitate the teaching of introductory non-majors biology using Problem or Case Studies Based Learning.