Category: Invertebrates
This very large group of arthropods includes familiar animals such as shrimp, crabs, lobsters, crayfish, and barnacles. Like other arthropods, they have an exoskeleton which they must molt in order to grow. Crustaceans are distinct in their possession of two-parted (biramous) limbs and unique larval form. They are an important source of food for humans, with over 10 million tons being produced via farming and fishing every year. Most crustaceans are aquatic, though a few are adapted to a terrestrial lifestyle.
Rub some dirt on it!
Could it be we have been too good at ridding our bodies of parasitic worms? Believe it or not, our efforts at keeping squeaky-clean and sanitary in the developed world may be contributing to increased allergies, asthma, psoriasis, even autoimmune diseases. The human immune system, having evolved with parasitic worms, recognizes them, and has learned to reduce inflammation and stimulate healing when these tiny intruders are sensed. While getting worms may be seen as too high a price to pay for many, for people suffering from severe allergies or colitis, it may be worth it. Victims of multiple sclerosis and Crohn’s disease have shown a promising reduction in symptoms (even remission in Crohn’s) after ingesting whipworm eggs - a treatment that may be worth it to some until a cure is found!
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