Soil water status as a function of pressure (tension). Soil water status in natural soils can range from a flooded. condition to drainable gravitational water to plant available water. down to hydroscopic water. Tensions in natural soils do not. exceed -31,000; in this range, water is absorbed from the air.
Advanced Search. Tay-Sachs disease (the most severe form of Hexosaminidase A deficiency) is a progressive, fatal genetic condition that affects the nerve cells in the brain.
Problems with the lungs and airways. Children with Tay-Sachs disease are more vulnerable to developing problems with their lungs and airways. This is because: 1  food or liquid can fall into the lungs and trigger an infection â this type of infection is called aspiration pneumonia.