When it comes to measurements, the everyday kind that deal with things like air pressure, tire pressure, blood pressure, etc., there is no such thing as an absolute accuracy. And yet, as with most things, scientists are able to come up with a relatively accurate way of gauging these things by measuring them relative to other things.
Quick Answer. Eating coffee grounds is not bad for an individual's health, according to Sandeep Godiyal for Natural News. In fact, coffee grounds are very high in antioxidants and nutrients, even when they are used to make coffee.
Coffee Grounds. Coffee grounds usually get tossed into the trash, but they have several uses in the garden. Coffee grounds increase the acidity of garden soil and potting mix, and as an added benefit, they also repel slugs. Before use, gardeners should spread coffee grounds out on a paper towel or newspaper to allow them to dry. The grounds stay fresh when sealed in a plastic bag.