What type of oxygen face mask should you use for someone who has copd?

What type of medicine to people take if they are lactose intolerance

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.

Dementia is most commonly associated with what?