How chemotherapy works

Chemotherapy works by killing cancer cells and has different effects on different types of cancer. Find out how it works and the different ways you might have chemotherapy. How chemotherapy kills cancer cells Chemotherapy circulates throughout your body in the bloodstream. So it can treat cancer cells almost anywhere in the body. This is known as systemic treatment. Chemotherapy kills cells that are in the process of … Continue reading How chemotherapy works

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News Digest |Study finds Gastric Bypass increases risk of Bone Fractures and falls

A study published in the Journal of Bone and Mineral Research shows that there is a 30 per cent increase in the risk of fractures after a gastric bypass operation. The study also discovered that falls increase after these operations as well. “Gastric bypass is a well-established method that has proven effective in reducing obesity, diabetes and mortality, so naturally our findings do not mean … Continue reading News Digest |Study finds Gastric Bypass increases risk of Bone Fractures and falls

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Rare Conditions |Proteus Syndrome 

Proteus syndrome  Commonly known as elephant man syndrome, Proteus syndrome is a rare condition that is characterized by an overgrowth of bones, skin, and tissue. The organs affected grow un-proportional. The condition is named after a Greek sea-god Proteus known to change its shape. Proteus syndrome was first described by Drs Samia Temtamy, and John Rogers, Dr. Michael Cohan letter described it in 1979. In … Continue reading Rare Conditions |Proteus Syndrome 

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Why is finding a cure for HIV so hard?

What causes HIV? HIV/AIDS is an acquired immunodeficiency disease which is caused by a virus that is transmitted when there is a transfer of bodily fluids from an infected person. The most common form of transmission is through having unprotected sex and the sharing of needles with an infected person; the people most at risk of this are injection drug users and sex workers. HIV can also be … Continue reading Why is finding a cure for HIV so hard?

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The Cardiac Conduction System

There are four main components of the conducting system of the heart, these are the SA node, AV node, the bundle branches and the Purkinje fibres. Also, we have subcomponents called the tracts and branches, each of these components have specialised cells that are able to conduct electrical impulses.   Sinoatrial Node ( SA node) This is the first primary pacemaker of the heart and … Continue reading The Cardiac Conduction System

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The Explainer | How does the Body Control Breathing?

The three physiological functions that are responsible for adequate tissue and cellular oxygenation are: Pulmonary gas exchange Oxygen delivery Oxygen consumption The respiratory system helps gas exchange through the process of ventilation, diffusion and perfusion for the uptake of oxygen and helps with the removal of carbon dioxide from the body. Functionally the respiratory system consists of the functional zones and the conducting zones, namely … Continue reading The Explainer | How does the Body Control Breathing?

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Homer Simpson’s Guide to The Male Reproductive System

The Male reproductive system has four regions – gonads duct system, accessory glands and the penis. The gonads are the testes, this is the site for sperm formation (spermatogenesis). The testis is located outside the body in the scrotum. Embryological the testes develop within the abdomen and usually descend about seven months during the foetal development and if they do not descend a condition called … Continue reading Homer Simpson’s Guide to The Male Reproductive System