Health

How altitude affects the body

Every year, thousands of people travel to high-altitude environments for tourism, adventure-seeking, or to train and compete in various sports. Unfortunately, these trips can be marred by the effects of acute altitude sickness, ...

Health

Seven things you might not know about blood

Blood is fascinating. Many people learn at school that its function is to transport oxygen and nutrients around the body and remove waste products. But blood has many more functions, including defence against pathogens, regulating ...

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