The only vacuum cleaner that might be bad for your health is one of those ridiculous bagless jobs . . . because you get
a face full of dust and schmutz when you dump the "bagless" dirt cups and the big clumps of dirt hit your trash can.
I'll stick with my . . .

. . . thank you very much. Power-brush carpet nozzle, power-brush upholstery nozzle, bare floor brush (I have bare floors and throw rugs in
my house), disposable filter bags that seal up when you take them out of the machine. And I have
never had a single sneezing fit or
coughing fit after using it.
For the record: my late asthmatic mother swore by classic Electroluxes, too. (If you want a true descendant of the classics, you now look for
Aerus---the name changed when Mother Electrolux pulled out of the U.S. and left the U.S. plant employees and management to buy the U.S.
plant and continue producing the machines.) My machine is styled based on her 1205 from 1973, for which she traded her first Lux (a 1962
Model F) because she wanted the power nozzles and her first Lux couldn't be adapted to them. (Codicil: I'm not asthmatic. But still . . . )