Controversy regarding the metabolism and excretion of d-lactate in mammals exists in the literature. Conventional opinion is that d-lactate is not well metabolized by mammals and is excreted mainly in the urine (11,13,21â25).
Around three million parents still have their grown-up children living with them at home, a report revealed yesterday. The survey shows the average age of the children, dubbed âfailed fledglingsâ, is 27 â although some are in their forties.
Americans actually have more room than their rising home sizes suggests because at the same time, the average number of occupants in a house declined, providing home dwellers with more space per person. The average household size has declined steadily from 4.34 people in 1920 to 2.54 people today, a historical low. So while the size of an average home has roughly doubled since 1920, the average square footage per person has more than quadrupled.