Wait until you hear how many car crashes there are per moth and how many fatal hiking accidents. You'll never travel again! That is, until you learn how many people pass away in their own home.
Wait until you hear how many people pass away as a result of eating cheeseburgers! Only somewhat kidding here.
The number of people that die from heart disease and stroke and diabetes is far far greater than plane crashes or car crashes.
Metabolic syndrome is a large constellation of diseases and scientists have discovered that many of them are largely preventable through diet and lifestyle choices!
Cars also contribute to the deaths from heart disease, stroke, and diabetes due to encouraging a sedentary lifestyle and making our locales less walkable... They also have a lot of externalities in the form of tire dust, noise pollution, and other effects.