Life expectancy in western countries, once on a steady upward trajectory, has hit a worrying slowdown with obesity, poor diet and physical inactivity taking a heavy toll.

The latest average life expectancy at birth is 81.5 years across the five boroughs, the city health department says.

The rise in human life expectancy has slowed down across Europe since 2011, according to new research. A new study reveals that the food we eat, physical inactivity and obesity are largely to blame, ...