The Cancer Assassin in Your Body: Killer T Cell ?? Interesting..

"...In a study published today in the journal Immunity, a collaboration of researchers ... describe how specialised members of our white blood cells known as cytotoxic T cells destroy tumour cells and virally-infected cells. Using state-of-the-art imaging techniques, the research team... has captured the process on film. Inside all of us lurks an army of serial killers whose primary function is to kill again and again... These cells patrol our bodies, identifying and destroying virally infected and cancer cells and they do so with remarkable precision and efficiency.... There are billions of T cells within our blood -- one teaspoon full of blood alone is believed to have around 5 million T cells, each measuring around 10 micrometres in length, about a tenth the width of a human hair. Each cell is engaged in the ferocious and unrelenting battle to keep us healthy..."

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