Toxoplasma is often transmitted to people from contaminated food or cat feces.
on human and veterinary health. But researchers may have found a way for patients with brain disorders and a common brain parasite to become frenemies.. I’m fascinated by the prospect that we may be able to use their weaponry to instead treat other maladies.– humanity has been on a quest to keep infectious agents out of our bodies. Many people’s understandable aversion to germs may make the idea of adapting these microbial adversaries for therapeutic purposes seem counterintuitive.
But preventing and treating disease by co-opting the very microbes that threaten us has a history that long predates germ theory., people in the Middle East and Asia noted that those lucky enough to survive smallpox never got infected again. These observations led to the practice of purposefully exposing an uninfected person to the material from an infected person’s pus-filled sores – which, unbeknownst to them, contained weakened smallpox virus – to protect them from severe disease.
such as insulin or semaglutide, on the other hand, are large and complex molecules that are vulnerable to breaking down in the stomach before they can be absorbed. They are also too big to pass through the intestinal wall into the bloodstream.. The blood-brain barrier is a layer of cells lining the brain’s blood vessels that acts like a gatekeeper to block germs and other unwanted substances from gaining access to neurons..
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