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Potentially Lethal Leishmaniasis Affects Many Travelling Abroad

Be careful when you travel abroad - you could bring something unwanted home with you. In 2002 Alfred Heliah and his wife Helene accompanied research scientists on a trip to Peru. They volunteered to assist in the study of red and green macaws. During their visit they were constantly attacked by biting insects. Though they wore protection right down to their wrists they were bitten black and blue. On their return home the wounds slowly healed. While shaving one morning Alfred noticed what he thought were pimples on the side of his chin. They didn't hurt, but over time they grew larger. They eventually burst, becoming shallow ulcers oozing a yellow discharge. Treating them with antibiotic ointment had no affect.  A new lump appeared and he thought it was time to see a doctor. After being told by Alfred that he had recently returned from the tropics in Peru, doctors at the local hospital believed that he had leishmanisis that could devour the flesh on his face. It causes maj

Tasmanian Devil Cancer Is Parasitic

Tasmanian devils have a unique form of cancer. It is the only type that is contagious. Just how it is transmitted is the unknown factor. Scientists studying the disease now believe it should be reclassified as a parasite. Though at first glance it seems to be a cancer it has many characteristics of a parasite. The parasitic cancer stays in a host until the sufferer is irretrievably damaged then it will move on to a new host. It uses the Tasmanian devils predilection for violence to spread itself. It remains alive by sticking to the teeth. When devils fight they snap at each others' mouths causing blood to flow. It is really a new category of disease. Though a cancer it not in other animals. A parasite will exist in many animals. The disease originated in one female devil during the 1990s. Just how it originated is not known. It is such a difficult disease to treat. The Tasmanian devil could reach its demise in less than 15 years. http://www.adventure--australia.blog