You should know that those buffalo hunters of the 18th and 19th century usually put bare lead balls in their mouth when they are chasing and shooting. No doubt they swallow MUCH more lead than you did everyday. So don't worry about your health, your body is much tougher than you can imagine.
Metallic lead is NOT a significant hazard.
You can eat the occasional piece of shot that ends up in game.
Lead POWDER can be a problem.
Its huge surface area by weight allows more of it to react.
Organic lead compounds can be a problem.
The most common lead in lead paint is lead acetate.
It was a drying agent and gloss improver.It was a drying agent and gloss improver.
Lead oxide went away as a pigment a long long time ago with the introduction of titanium oxides. One of the last uses of lead pigment was in 'red lead' for metal protection.
The lead styphnate in priming compound can be a source of organic active lead compounds from bad ventilation systems.
The guy sweeping the range floor is exposed to a lot of lead dust (finely divided lead powder) along with a witches brew of lead compounds from primers.
Using an open flame to melt lead produces lead vapor.
The flame temp is well over the boiling point.
Resist the urge to use a propane torch played over lead to speed up smelting and casting ingots.
The brief exposure of lead bullet bases to powder gas has the same issue.