Contaminated Food And Water Flashcards, test questions and answers

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What is Contaminated Food And Water?

Contaminated food and water are a serious health hazard, particularly in countries where access to clean drinking water is limited. Contamination can occur naturally or as a result of human activities such as industrial waste dumping, agricultural runoff, and improper sanitation. The consequences can range from mild digestive upset to severe illness or even death.Natural contaminants include bacteria, viruses, fungi, parasites and toxins produced by certain plants or animals. These pathogens mostly enter through contaminated soil or water sources. In addition to causing gastrointestinal distress, some types of bacteria can also cause food poisoning if consumed with contaminated food products. Viruses like hepatitis A and Ecoli spread through contact with an infected person’s feces or vomit; these viruses often lead to fever, abdominal cramps, nausea and diarrhea when ingested in large enough quantities. Fungal infections like candida albicans may grow on foods that have been improperly stored at warm temperatures for too long; this type of infection typically causes stomach pain and bloating if consumed in high concentrations. Parasitic infections are caused by protozoa such as Giardia lamblia which breed in stagnant ponds and streams; they generally cause symptoms similar to those caused by bacterial contamination such as vomiting, nausea and dehydration but can also lead to liver damage if left untreated over time.Human-caused contamination includes the release of pollutants into the environment (such as pesticides) which eventually find their way into our food supply either directly or indirectly via waterways used for irrigation purposes. Industrial effluents containing heavy metals like mercury or lead may also make their way into rivers used for fishing or farming activities; these toxins accumulate in fish tissue leading to neurological disorders when humans consume them over an extended period of time. Similarly improper disposal methods employed by households including sewage overflow allow fecal matter onto surface waters which eventually contaminate our drinking supplies leading to gastroenteritis illnesses when ingested in high enough levels . Finally the presence of animal wastes near farms poses another source of contamination since many diseases like salmonella spread easily through contact with affected livestock droppings To protect ourselves from exposure it is essential that we practice safe hygiene habits both at home and during travel abroad especially when visiting areas where access to clean filtered water might be limited . Properly cooked foods should always be selected along with fruits that can be peeled prior consumption .