Heart attack

​There are already plenty of smartwatches that allow fitness-conscious users to monitor their heart rate. The iBeat Heart Watch also tracks heart rates, but it can additionally summon help if it detects that something is wrong.

Heart attacks behind the wheel are dangerous not only for the the driver but for everyone else on the road. Toyota has recently joined forces with a team of researchers at the University of Michigan to explore the potential of creating a cardiac monitoring system that could be built into cars.