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The positive effects of parasitic worms are theorized to be a result of millions of years of evolution, when humans and human ancestors would have been constantly inhabited by parasitic worms. [9] In the journal EMBO Reports , Rook says that such helminths "are all either things that really do us no harm, or things where the immune system is ...
The more common approach for parasites is to indirectly induce behavioral responses by interacting with the host's immune system [8] to create the necessary neuroactive compounds to induce a desired behavioral response. [9] Parasites can also indirectly affect the behavior of their hosts by disturbing their metabolism, development, or immunity. [9]
Parasites are organisms which derive sustenance from its host while causing it harm. [2] The study of parasites and parasitic diseases is known as parasitology . [ 3 ] Medical parasitology is concerned with three major groups of parasites: parasitic protozoa , helminths , and parasitic arthropods . [ 2 ]
There may be as many as 300,000 species of parasites affecting vertebrates, [9] and as many as 300 affecting humans alone. [10] Helminths of importance in the sanitation field are the human parasites, and are classified as Nemathelminthes (nematodes) and Platyhelminthes, depending on whether they possess a round or flattened body, respectively. [8]
Anemia has also been associated with reduced stamina for physical labor, a decline in the ability to learn new information, and apathy, irritability, and fatigue. [3] A study of the effect of deworming and iron supplementation in 47 students from the Democratic Republic of the Congo found that the intervention improved cognitive function. [ 26 ]
Pathogen avoidance (also parasite avoidance or pathogen disgust) refers to the theory that the disgust response, in humans, is an adaptive system that guides behavior to avoid infection caused by parasites such as viruses, bacteria, fungi, protozoa, helminth worms, arthropods and social parasites.
Gastropod-borne parasitic diseases are a significant public health problem in endemic areas and can lead to chronic malnutrition and other long-term health problems. Control measures such as health education campaigns, improved sanitation and hygiene practices and better food safety measures can help to reduce the prevalence of gastropod-borne ...
Delusional parasitosis (DP), also called delusional infestation, [2] is a mental health condition where a person falsely believes that their body is infested with living or nonliving agents. Common examples of such agents include parasites, insects, or bacteria. This is a delusion due to the belief persisting despite evidence that no ...