Human Microbiome (Introduction)

The human microbiome is the collection of microorganisms (such as bacteria viruses and fungi) which live on and inside humans (on the skin, in the saliva and mouth, in the eyes, and in the gut and the rest of the gastrointestinal tract). Foreign microbes outnumber human cells in the body a wide margin; humans have about 100 trillion cells, and carry ten times as many microorganisms in the intestines alone. We know that some of these organisms are useful for humans. However, most have no known effect; they are just symbionts and are referred to as the normal ‘flora.’ Studies in 2009 asked whether our health is damaged if we reduce this biota (collection of … Continue reading



Clara Luu’s poem is the most eloquent description of  severe atopic dermatitis ( often called S.A.D.)  that I have come across in a long dermatological career.  If you read it, you don’t need all the textbooks or review articles.  It speaks to what we are trying to do with the OJCPCD. Persistent scratches ripping through the tranquility of the night, and bedsheets dusty with flaked skin, mingled with dried blood in the mornings. Her skin stained with the purple sting of potassium permanganate, burning from the relentless scorch of tea tree oil, smothered in topical corticosteroids. Bandaged to retain moisture. Unbandaged to promote air flow. A blur of diagnoses and … Continue reading

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