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.
The green tea tannins increase stomach acid. So, if you drink green tea before eating, it may give you a stomachache, a nauseous feeling, or cause constipation. It is best to drink green tea after a meal or in-between meals. People with peptic ulcers or acid reflux should be especially careful. You can try adding milk if it continuously causes stomachaches.