1.   Both drugs take a sledgehammer approach, suppressing the entire immune system to stop the immune attack on the skin.

2.   But developing embryos seem to use it to shield themselves from immune attack, and Acevedo believes malignant tumors use it for the same purpose.

3.   He wants to induce what is known as oral tolerance, the tendency of the body generally not to mount an immune attack on foods.

4.   The immune system has multiple pathways, so blocking just one might not blunt the undesired immune attack.

5.   The result is an immune attack against your own cells.

6.   Treatments, such as cancer vaccines, that trigger the body to mount an immune attack on cancer cells have also emerged as a popular area of drug development.

7.   The study used blood cells called dendritic cells, which normally trigger an immune attack by presenting other blood cells with bits of a target germ.