Defeating death is more than a high-tech fantasy. Philosophers, doctors and artists have been fighting mortality for millennia. As Silicon Valley takes up their quest, what can we learn from those who've come before us?
Infants living in areas with high pollution levels show a greater risk of mortality during the first year of life, particularly from respiratory causes.
The turn of the century has brought us formidable opponents - cancer, diabetes, Alzheimer's, and depression being the scariest on the list