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.
Bad-You feel nauseous most of the day and vomit twice per day. You have trouble keeping food down and the smell of certain foods not only causes a loss of appetite, but also triggers dry-heaving or vomiting. Just the thought of eating a particular type of food can trigger vomiting or dry heaving. Severe-You have to plan your day around your morning sickness.