Cheese, havent let her try that yet! didnt realise they'd like cheese

she had a few mouthfulls of the felix and then started to paw it around the kitchen like a toy, she seems to do that after a few mouthfulls of any unusual food i give her

Can indoor cats still get worms? is it something they get whether indoors/outdoors? or is it something they will usually pick up from the outside world?