Zika virus circulated undetected for months before the outbreak, genome studies show

An international team of scientists have charted the emergence and spread of the Zika virus in the Americas with the help of virus genomes. While the Zika outbreak attracted a lot of attention both inside and outside the scientific community, little is known about the evolution of the virus. Clinical samples of the virus contain […]

Nearly 1 in 5 people with highest cardiac risk don’t think they need to improve their health

Awareness of your risk of heart problems isn’t sufficient for action, a new study found. Researchers analyzed 45,443 responses from participants of the 2011-12 Canadian Community Health Survey. The survey included questions on eight established risk factors for a heart attack: smoking, high blood pressure, diabetes, obesity, stress, excessive alcohol consumption, lack of physical activity […]

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