NASCAR drivers actually wear diapers in case they have to urinate!! If the driver can not wait till after the race they may go in adult size diapers or "depends".
They simply hold it in, before the race the drivers usually take care of that.
Most Nascar drivers have a straw to the right of them, or inside their helmet. Mostly they drink water or their sponsors drink.
In a Nascar Cup and Nationwide Series race there are 43 drivers. In a Nascar Truck Series race there are 36 starting drivers.
There are 43 drivers that start a Nascar Cup Series race.
Because it's how they earn their living
In the Nascar Sprint Cup and Nationwide Series, 43 drivers compete in each race. In the Nascar Camping World Truck Series there are 36 drivers.
43 drivers are in one Nascar Sprint Cup Series race.
No, they do not need a drivers license to drive a NASCAR race car.
Nascar drivers generally have the helmet visor down during day races, in order to reduce the sun's glare. This gives the driver better visibility.
The most drivers who could race in a NASCAR race is 43 right now. But back in the 40's and 50's it was about 60.
There are 43 positions in a Nascar Sprint Cup race.