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.
Caffeine appears to decrease calcium absorption by a small amount. Drinking more than three cups of coffee every day may be harmful to bone health. If you enjoy drinking coffee and tea, you can help to make up for any calcium loss by getting enough calcium to meet your bodyâs needs.