Search results
Results from the WOW.Com Content Network
Amoebiasis is present all over the world, [6] though most cases occur in the developing world. [7] About 480 million people are currently infected with about 40 million new cases per year with significant symptoms. [2] [8] This results in the death of between 40,000–100,000 people a year. [4] The first case of amoebiasis was documented in 1875.
Naegleria fowleri, also known as the brain-eating amoeba, is a species of the genus Naegleria. It belongs to the phylum Percolozoa and is classified as an amoeboflagellate excavate , [ 1 ] an organism capable of behaving as both an amoeba and a flagellate .
It affects healthy children or young adults who have recently been exposed to bodies of fresh water. [3] Scientists speculate that lower age groups are at a higher risk of contracting the disease because adolescents have a more underdeveloped and porous cribriform plate , through which the amoeba travels to reach the brain.
The genus Acanthamoeba has two stages in its life cycle, the metabolically active trophozoite stage and a dormant, stress-resistant cyst stage. In nature, Acanthamoeba species are generally free-living bacterivores. However, they are also opportunistic pathogens able to cause serious and sometimes fatal infections in humans and other animals. [1]
This amoeba can be found naturally all over the environment — in lakes, rivers, seawater and soil. It can cause diseases of the skin and sinuses, and can infect the brain, where it can cause a ...
A study led by Mayo Clinic found a “widening gap between lifespan and healthspan" among 183 countries. The lead researcher and another doctor discuss the drivers of poor health late in life.
As many individuals are asymptomatic carriers of D. fragilis, pathogenic and nonpathogenic variants are proposed to exist.A study of D. fragilis isolates from 60 individuals with symptomatic infection in Sydney, Australia, found all were infected with the same genotype, [4] which is the most common worldwide, but differed from the genotype first described from a North American isolate and ...
At age 40, Del Valle was diagnosed with colorectal cancer. There was a golf-ball-sized tumor in her colon, which had already metastasized to her liver. When she heard the news, "I got really hot ...