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.
In fact, eating chocolate and taking MAO inhibitors such as Nardil (phenelzine) or Parnate (tranylcypromine) for depression could be dangerous. Other blood-pressure raising foods to avoid: aged cheese, sausage, bologna, pepperoni and salami. Grapefruit: Grapefruit and grapefruit juice can interfere with some prescription drugs, and even a few non-prescription drugs.