Typically, concrete has a density of 150 pounds per cubic foot, which means that a block of concrete that is one foot wide, one foot long, and one foot high would weigh 150 pounds. Water has the density of only 62.4 pounds per cubic foot..
Best foods: Saltine crackers or pretzels can help, says Dr. Lee, as does small quantities of dry toast or cereal. Ginger or lemon tea, fresh or frozen lemon slices, and peppermint also work. Worst foods: Greasy, spicy, or oily foods, caffeine, alcohol, and carbonated drinks can make nausea worse.
If you are trying to make yourself throw up because you have ingested something foul this might not be the best course of action, so it's important to think carefully before you use this method. Stick with healthy foods such as fruits, vegetables or bland starches when you choose to extend your stomach by overeating.