Artem has a doctor of veterinary medicine degree.
You don't have to travel to places like India or Mexico to get really sick as a result of your food being contaminated. Those countries, and many others, may be well-known for their lack of sanitation when it comes to water or food, but even in the U.S., you can get pretty sick after going to a restaurant or improperly cooking food right at home!
If you've never gotten sick as a result of contaminated food, that is awesome! If you have, you likely know many of the signs and symptoms associated with this, but we'll cover them anyways.
What Is Food Contamination?
Food contamination refers to chemical, physical, and biological contamination. Let's say that you are filling up your water bottle somewhere.
After you fill it up, you can see that it just doesn't look right and has a very strange odor, almost like gasoline. That may be as a result of chemical contamination, that of gasoline in this case.
In another instance, you may munching on a hamburger only to bite down on something hard. As you spit it out, you see it's a piece of metal. That's an example of physical contamination.
Finally, you could be eating some soup. Everything tastes, smells, and feels great. Then you go home and not long after start having some really bad diarrhea along with vomiting. That may have been as a result of biological contamination, food contaminated with infectious agents, like bacteria or viruses.
Symptoms and Effects of Food Contamination
The signs, symptoms, and effects of food contamination are highly variable. It not only depends on whether you get sick from chemical or biological factors but also what kind of chemical, physical, or biological contaminant. Let's take a look at some examples.
Let's say that the contaminant is a physical one, like a piece of metal from a bolt. The chances that it will cause you vomiting or diarrhea are small. So are the chances that it will leach any significant amount of some harmful chemical into your body. However, that piece of metal can cut your gums, lips, cheeks, tongue, and the roof your mouth. That may introduce infectious agents into the cut and that will, in turn, cause painful inflammation. Another possibility is that chomping on that hard piece of metal will chip or even break your teeth. Even if they don't chip or break, the protective enamel of your teeth will be damaged.
Now let's pretend that you drink something contaminated with a chemical. Again, what will happen to you really depends on the chemical in question. We'll say that in this case the chemical in the water is benzene. Ingestion of benzene can cause pain in the stomach, nausea, vomiting, and convulsions. That's all in the short-term, too. If you keep drinking that contaminated water over a long period of time, then you may even get a type of cancer called leukemia as a result of benzene exposure.
Finally, why don't we pretend that you ate some soup contaminated with a bug, like a virus or bacterium, which is known to cause illness in humans. What will that do to you? Well, if the bug isn't too bad, you might have some nausea, vomiting, and diarrhea. If it's a bit worse, then you may have a fever, muscle aches, and joint aches on top of that. If the bug is even worse, it may lead to life-threatening dehydration and even muscle paralysis and death.
Now that you have a good overview of the many symptoms and effects related to food contamination, let's review before you get nauseous. Food contamination refers to any combination of physical contaminants, biological contaminants, and chemical contaminants. The exact symptoms and effects a food contaminant will really depend on which of the three categories the contaminant belongs to and what specific kind of contaminant it is.
For example, a physical contaminant may cut the inside of your mouth. A chemical contaminant might cause you neurological signs, like convulsions. A biological contaminant could lead to lots of vomiting and diarrhea.
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