Norovirus, the winter vomiting bug, is highly infectious among people in confined places – like cruise ships. But not everyone is equally vulnerable. Your blood type may determine if you get sick.
Africa is known to be where humans originated. This makes it the most genetically diverse region in the world. Diversity in other populations represents a subset of the diversity within Africa.
We’ve known how to control typhoid for over 100 years. The rapid current increase of drug-resistant variants in both rich and poor countries is down to decades of short-sighted global health policies.
A positive mindset can affect some aspects of disease, but grief is normal and to be expected.
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A promising new approach to treating MS tricks defective immune cells into thinking they are attacking the body, when they are in fact being attacked themselves.
The giant freshwater prawn is native to the Indo-West Pacific from northwest India to Vietnam, Philippines, New Guinea and northern Australia. It has been introduced into many countries for aquaculture.
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Entire populations of prawn ‘super-females’ are now being commercially distributed. The science behind this continues to advance and could have a far-reaching impact on both humans and animals.
Lab-grown organs may not be so easy to transplant into a patient.
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Tobias Deuse, University of California, San Francisco
The idea behind regenerative medicine is that the patient is both the donor and recipient of healthy tissue grown from stem cells. But sometimes the transplanted cells are rejected. Now we know why.
‘Living Mady Easy: Revolving hat’, a satirical print with a hat supporting a spy glass, an ear trumpet, a ciggar, a pair of glasses, and a scent box, 1830, London.
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The history of smell in 18th-century England reveals the complex story of scent and personal space.
Middlebury Assistant Professor David Allen prepares to inspect a piece of canvas dragged through the forest to collect ticks.
Todd Balfour/Middlebury College
Almost all drugs are tested in living animals before human clinical trials. But most of the time what works in mice doesn’t work in humans. That’s why lab-grown human livers may be so valuable.
The eye has a collection of microbes living on the surface that keep it healthy.
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Just like the gut, the skin and the mouth, the eye also has a collection of microbes that keep it healthy. Understanding the eye microbiome may lead to new probiotic therapies.
Mitral valve prolapse is one of the most common heart disorders worldwide.
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Using a large family whose members suffered from mitral valve prolapse, one of the most common heart diseases worldwide, researchers have discovered one cause of the disorder.
A risk analysis could offer insight into the anti-vaccination decision of some parents.
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An economics risk analysis offers some insight into the modern anti-vaxx movement.
Microscopic image of the common environmental mould Aspergillus fumigatus – harmless to most people but can be deadly if you have a weakened immune system.
Dr David Ellis, University of Adelaide
Scientists identified the general pattern of measles infections as a country moves toward eliminating the disease. This roadmap can help public health workers most efficiently fight and end measles.
Hernán Cortés owed his conquest of the Aztecs to his expedition’s unknown, unseen secret weapon: the smallpox virus. Disease epidemics can set the course of human history.