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.
Eating sweets like candy or drinking pop just before you exercise can also cause you to feel nauseous after exercising. Your blood sugar can drop after an insulin rise, and result in fatigue or nausea. Try to wait at least an hour after having any form of sweets before you begin your exercise routine.