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Exposure to 'third-hand smoke' — that is, the chemicals left behind on household surfaces after smoke has dissipated — increases the severity of asthma symptoms in mice. Stanford researchers are working to learn how this happens, and whether it might be possible to protect people with asthma from this exposure.

Exposure to 'third-hand smoke' — that is, the chemicals left behind on household surfaces after smoke has dissipated — increases the severity of asthma symptoms in mice. Stanford researchers are working to learn how this happens, and whether it might be possible to protect people with asthma from this exposure.

Older people are more susceptible to infection, cancer, and autoimmunity than younger people. This may be the result of our immune cells' receiving increasingly random marching orders as we age.

Older people are more susceptible to infection, cancer, and autoimmunity than younger people. This may be the result of our immune cells' receiving increasingly random marching orders as we age.

When associated with tumors, immune cells known as macrophages can be both good and bad: they can help cancer spread and curb its growth.

When associated with tumors, immune cells known as macrophages can be both good and bad: they can help cancer spread and curb its growth.

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Rheumatoid arthritis and coronary artery disease share a common culprit: an important type of immune cell, called a macrophage, that has gone haywire. Stanford investigators have zeroed in on a molecular defect in macrophages' metabolic process that drives both disorders.

Rheumatoid arthritis and coronary artery disease share a common culprit: an important type of immune cell, called a macrophage, that has gone haywire. Stanford investigators have zeroed in on a molecular defect in macrophages' metabolic process that drives both disorders.

People with food allergies can be gradually desensitized to foods that trigger reactions, clinical trials at Stanford’s Sean N. Parker Center for Allergy and Asthma Research have shown.

People with food allergies can be gradually desensitized to foods that trigger reactions, clinical trials at Stanford’s Sean N. Parker Center for Allergy and Asthma Research have shown.

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Immune cells spot cancer cells by locating proteins called antigens. Now, researchers have developed a new tool that will help them identify those antigens.

Immune cells spot cancer cells by locating proteins called antigens. Now, researchers have developed a new tool that will help them identify those antigens.