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.
Juices and soft drinks should be avoided. Eat as tolerated, but only light, bland foods, such as crackers or plain bread to begin with. If your nausea is chronic, you'll need to find a variety of vegetables and proteins that don't upset your stomach to maintain proper nutrition. Stay away from fried or greasy foods.