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.
It is not very uncommon to experience nausea and vomiting once in a while due to acidity, motion sickness, infections, etc. But if feeling nauseous all the time or it is too bad and keeping you away from your day-to-day activities, it is time you take it seriously. Read on! Cause # 1: Stress, fear and anxiety.