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How the human body first fights off pathogens

People constantly encounter viruses, bacteria or parasites. Fortunately, our skin, the specialized lining of our guts and other parts of our body that are exposed to the outside world prevent them from entering. When a pathogen ...

Jul 24, 2017
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How the immune system causes heart disease

Heart disease is among the leading causes of death globally and imposes a significant burden on the health-care system. We know some of the causes of heart disease: smoking, unhealthy diet, obesity, high blood pressure, diabetes ...

Jul 21, 2017
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Who's avoiding sex, and why

Sex has a strong influence on many aspects of well-being: it is one of our most basic physiological needs. Sex feeds our identity and is a core element of our social life.

Jul 21, 2017
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