Yes they do. They have parasites (veroa) and other insects predate them. Also bears and honey badgers come and raid their nests for the honey. They defend themselves with their sings.
They can sting you.
Chasing and bugging it
The purpose of the stingers that bees have is for self-defense. Bees use their stingers to protect themselves and their hive from potential threats.
Bees can become agitated or aggressive if they feel threatened or sense danger around their hive. Their stingers are a defense mechanism to protect their colony, so they may react quickly to any perceived threats. It's best to remain calm and avoid swatting at bees to prevent them from becoming agitated.
honey bees are not just any bee
Bees will sting any thing so yes.
Burrowing bees eat pollen and nectar, just like any other kind of bees.
Most bees make honey to feed themselves but only honey bees produce enough honey for a beekeeper to remove some of it in any great quantity.
Bees will always defend their home against any one or any thing which they perceive as a threat.
Bees will visit flowers of any colour.
only male bees don't do any work
There aren't any diseases that can be transmitted from bees to humans.