Category: Geography

2015 Noble Prize in Medicine Awarded to Research in Anti-Parasitic Drugs

By Rebecca Kreston | October 5, 2015 9:36 pm

Three scientists that developed treatments for debilitating parasitic infections were awarded the Noble Prize in Physiology or Medicine today for their ground-breaking advancements in tropical medicine.

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Tetanus, the Grinning Death

By Rebecca Kreston | September 29, 2015 8:00 pm

Infectious diseases have long been the companions of war and natural disaster. For those that barely escaped death in the calamities of antiquity, walking away with what appeared to be a light injury, the agony of a gangrenous wound or convulsive, back-breaking muscle spasms would deal an impending final blow. For centuries, a dreaded complication from an innocent blister or a bullet wound was the untreatable and catastrophic tetanus, caused by Clostridium tetani.

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A Tale of Two Pox

By Rebecca Kreston | July 31, 2015 9:30 pm

Smallpox has haunted man for almost as long as we have been walking this earth. The variola virus that causes the deadly pox had been known to liquidate entire communities, towns, and cities since antiquity, stalking along trade routes and capitalizing upon human behavior and patterns of movement. Egyptian mummies unearthed from their tombs bear the pocked faces of fortunate survivors; Chinese emperors, Indian peasants, Russian Tzars, and Australian Aborigines – around the world, millions succumbed to virus in the centuries before the discovery of an effective vaccine.

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Tapeworm-Associated Epilepsy on the Rise

By Rebecca Kreston | June 30, 2015 5:50 pm

It was the work of the lunar god, a “disease of the moon,” thought the Mesopotamians. The Romans attributed it to demonic possession. Priests and peasants in the Middle Ages considered the “falling sickness” a contagious evil.

Today our understanding of seizures and epilepsy rests not with lunar cycles or the supernatural, but with scientific insights into the developing brain and the pathologies of various diseases. We now know that there are over forty different disease processes that can cause the syndrome known as epilepsy, ranging from metabolic disorders to tumors, from trauma to congenital diseases.

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Blood & Fog: The Military’s Germ Warfare Tests in San Francisco

By Rebecca Kreston | June 28, 2015 2:10 pm

The Nuremberg Code was drafted in 1947 following the appalling revelations of human experimentation committed in Nazi concentration camps. The overarching goal of the Code was to establish a set of rules for the ethical conduct of research using human subjects, guaranteeing that the rights and welfare of such participants would be protected. Two important principles guide and define this Code: the concept of voluntary, informed consent and that no experiment shall be conducted in which “there is an a priori reason to believe that death or disabling injury will occur.”

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The Maps Within: Using Viruses in Forensic Biology

By Rebecca Kreston | April 19, 2015 2:30 pm

Forensic biology has made tremendous strides in the past few decades thanks largely to advances in DNA techniques and analysis. Genomic sequencing has generated new methods of human identification reaching far beyond fingerprints and dental records, providing crucial information in the course of investigations, valuable evidence in historical fieldwork, and personal closure in the wake of tragedy.

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The Ringworm Irradiators

By Rebecca Kreston | March 31, 2015 1:08 pm

Ringworm is one of the most common and widespread childhood maladies. Deceptive in its naming, ringworm is no parasite but rather a fairly mild, though atrociously itchy, fungal skin infection that affects 300 million people worldwide. An infection with the contagious Tinea capitis fungus is usually summarily dismissed by means of antifungal medications, but for decades prior to the discovery of such cures in the 1950s, infections with ringworm and other species of fungus were as intractable and as challenging as their bacterial counterparts. The mid-twentieth century, as modern an era as it seems, marked the early days of effective antimicrobial treatments, and though practical pharmaceuticals for bacterial, viral, and fungal afflictions were on the horizon, they were still far from universally available.

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Mo’ Farms, Mo’ (Plague) Problems

By Rebecca Kreston | February 24, 2015 6:10 pm

The plague is back, and this time it’s not thanks to far-voyaging ships or caravans traversing some distant trade routes, but to corn. This disease, caused by one of man’s oldest bacterial foes, Yersinia pestis, and spread by flea-infested rodents, is often overlooked in modern times in favor of more headline-grabbing epidemics like Ebola, HIV, and antibiotic-resistant STDs. But the plague has always kept close quarters with mankind and continues to surprise us with its adaptability.

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Mardi Gras at the Leprosarium

By Rebecca Kreston | February 16, 2015 7:20 pm

Laissez les bons temps rouler! Tomorrow is the final and momentous hurrah of the Carnival season, which culminates with Mardi Gras, otherwise known as Fat Tuesday. In New Orleans, the city I call home, Carnival is a season of festivities, decadence, and tradition, one that is celebrated amongst neighbours and visitors alike. Our revelry is an egalitarian one – everyone is welcome to come witness and participate in Carnival. But, for over a century, just a couple of hours away from the Crescent City, there lived a community of exiles, quarantined and barred from society, who were forced to forge their own Mardi Gras traditions. In honor of the biggest party of the year, I’m republishing my article on the celebration of Mardi Gras at one of America’s last leper colonies, just a few hours up the Mississippi river in Carville, Louisiana. 

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By Rebecca Kreston | January 26, 2015 11:10 pm

Abracadabra! Many of us are familiar with this mystical incantation. Its arcane staccato and euphonious intonation has become deeply ingrained in our language through the word’s use as a magical catchphrase. The hex was, in my childhood experience, rather useless when it came to opening locked cabinets and provoking instantaneous transformations; nothing was conjured and very little materialized except for my own disappointment. But millennia past, this word was held in reverence, and it was used for a whole other purpose altogether. Abracadabra was not a silly-sounding piece of magician’s gibberish, but the “most famous of the ancient charms or talismans employed in medicine” and a powerful invocation against a very specific and very dangerous curse: malaria.

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Body Horrors

Body Horrors looks at the history, anthropology and geography of infectious diseases and parasites.

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