Rare diseases: Over 300 million patients affected worldwide

Rare diseases represent a global problem. Until now, the lack of data made it difficult to estimate their prevalence. The Orphanet database, which contains the largest amount of epidemiological data on these diseases taken from the scientific literature, has made it possible to obtain a global estimate.

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Scientists develop test for uncommon brain diseases

Scientists have developed an ultrasensitive new test to detect abnormal forms of the protein tau associated with uncommon types of neurodegenerative diseases called tauopathies. This advance gives them hope of using cerebrospinal fluid, or CSF — an accessible patient sample — to diagnose these and perhaps other, more common neurological diseases, such as Alzheimer's disease.

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Are some urban settings riskier for traffic injury or death? We know less than you think

How risky is travel in the US? It gets tricky. Despite a lot of research on the dangers of traffic injury and death, there's a lack of clarity on the role of the built environment (roadway designs and adjoining development) and its risk effects. Before we can know how risky a given built environment is, we have to know how many people are traveling there, and in many cases, for pedestrians and cyclists, this data is not available.

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Common denominator that triggers asthma in favorable environments

Some so-called pro-allergic environments strongly promote the development of asthma and are responsible for the dramatic increase in the prevalence of asthma, especially in industrialized countries. Researchers at the GIGA of the University of Liège have identified how all these pro-allergic environments act in the same way on the pulmonary immune system to induce the development of allergic asthma.

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CTE risk, severity increases with years playing American football

The risk and severity of developing chronic traumatic encephalopathy (CTE) increases with the number of years playing American football according to a new study. These findings reaffirm the relationship between playing tackle football and CTE, and for the first time quantify the strength of that relationship.

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Large genome-wide association study illuminates genetic risk factors for gout

Researchers, using a method called genome-wide association study, have illuminated the genetic underpinnings of high serum urate, the blood condition that brings on gout. The study will inform efforts to develop screening tests for gout risk as well as potential new treatments.

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