People usually take medicine or have an injection when feeling ill, but the disease will still exist, as the effect of medicine is to suppress only the symptoms. After contact with negative ions, the human body's metabolism will strengthen, circulation will increase, and people will experience various kinds of anaphylaxis: constipation, allocate, pain, swelling, or perspiration.

While no one who has food allergies should be complacent, most allergists suggest that the risk of anaphylaxis increases when: the allergic person is asthmatic, has eczema or has experienced previous serious reactions. Allergists say that, in particular, those with asthma should be considered in a higher risk category.

Drugs, such as pencillin, and natural rubber latex can also cause life-threatening allergic reactions. Some allergic people will also experience anaphylaxis if they exercise vigorously after eating a certain food. Exercise can also cause asthma attacks in some asthmatics. Reviewing (food allergy basics) Dr. Susan Waserman, president of the Canadian Society of Allergy and Clinical Immunology; (asthma basics) Dr. Mark Greenwald, vice president of the Asthma Society of Canada.