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Food Poisoning: Are Older Adults At Greater Risk?

(LiveScience) The people at highest risk for suffering from food poisoning are seniors, pregnant women, young children, and those with chronic diseases.
When you age, your immune system may not respond as well to infectious organisms as it did when you were younger. During pregnancy, changes in metabolism and circulation can increase food poisoning risk. The immune systems of infants and young children are not fully developed. A chronic disease reduces your immune response.
Food poisoning is caused by eating food contaminated by organisms such as bacteria, viruses and parasites. Symptoms include nausea, vomiting, diarrhea, abdominal cramps and fever. The onset of symptoms can occur hours after consumption of the tainted food. However, symptoms can take days and sometimes weeks to show up.
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