Archive for the ‘Virus and Bacteria’ Category
Overview of Virus (part 1)
1. Introduction
(Latin for ‘poison’) organizational entities composed only of genetic material surrounded by a protective envelope. The term virus was used in the last decade of last century to describe the disease-causing agents smaller than bacteria. Lack of independent living but can replicate inside living cells, often damaging to his guest in this process. The hundreds of known viruses are the cause of many different diseases in humans, animals, bacteria and plants.
The existence of viruses was established in 1892, when Russian scientist Dmitry I. Ivanovsky, found microscopic particles, known later as the snuff mosaic virus. In 1898 the Dutchman botanist Martinus W. Beijerinck called these particles infectious virus. A few years later, viruses were found growing on bacteria, which are called bacteriophages. In 1935, the American biochemist Wendell Meredith Stanley crystallized the snuff mosaic virus, showing that consisted only of genetic material called ribonucleic acid (RNA) and an envelope protein. In the 1940s the development of electron microscopy enabled the visualization of the virus for the first time. Years later, the development of high-speed centrifuges able to concentrate and purify. The study of animal virus reached its peak in the 1950s with the development of cell culture methods, support of viral replication in the laboratory. Then they discovered many viruses, most of which were sampled in the 1960s and 1970s, in order to determine their physical and chemical characteristics. Read the rest of this entry »
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wordpress blogs -Preventive measures
• Wash hands after using the toilet and before eating.
• Avoid eating in the street and in places of dubious hygiene.
• Boiling water or drink bottled water.
• Maximize hygiene measures in handling the faeces, especially in young children, older adults and people who require care.
• worming twice a year. All family members should undergo deworming to prevent possible reinfection.
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Health tips for preventive measures -leukemia preventive measures -nursing preventive measures -preventive leukemia measures -How parasites are acquired and what are the most common?
One of the most common forms of transmission is through ingestion of eggs or cysts that are found in the faeces excreted by infected individuals.
Food can be contaminated with these wastes, when irrigated with sewage and lack of hygiene during preparation and intake process. As can generalize that the transmission mechanism for these diseases is that of the three passes, “the year goes hand in hand to mouth and mouth passes into the intestine.
Organisms that can live as parasites in our intestines are very varied. The most common are: worms may clog the intestines and invade the respiratory tract and bile giardia, which adhere to the bowel wall and mechanical irritation caused by diarrhea and malabsorption of food, amoeba, which by producing toxins destroy the tissues of the gut and migrate to other organs like the liver, hookworms, which adhere to the intestinal wall and feed on blood, and finally, the cysticerci that pierce the intestinal mucous layer, reaching the vessel blood and spread to the muscles, brain, eye, liver, among others.
Symptoms of parasitic
Many of those infected by parasites have no complaints. Even in some cases the symptoms are so mild that near-misses, but this does not mean it is not parasites and can spread to others.
Exist to reach the symptoms that occur most frequently are:
• Diarrhea or constipation.
• Stomach pain (colic or cramps).
• Inflammation of the stomach.
• Headache.
• Gases.
• Nausea.
• Belching.
• Vomiting.
• Itching in the anus.
• Intolerance to certain foods.
• General weakness.
• Loss of appetite.
• In small, worms and parasites can cause slow growth and poor weight gain.
• Lack of attention at work, depression and fatigue.
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iced tea stomach worms -Probiotics
The wall lining of the gastrointestinal tract is constantly in contact with microorganisms or ingested food. About five hundred species of bacteria live in the adult gastrointestinal tract, mainly in the large intestine.
This community of microbes not only live in peaceful coexistence with humans, but also plays an important role in the welfare of the individual. There is a constant and complex interaction between these bacteria, cells in the intestine and immune system.
Probiotics are defined as live microorganisms which, when administered in adequate amounts, confer a beneficial effect on health of people.
The most frequently used probiotics are bacteria of the genus Lactobacillus and Bifidobacterium that are part of normal healthy bowel. Other probiotics include yeasts.