Austin, Texas, nearly doubled its population in 24 years--going from 465,622 residents to 912,791. Some cities, such as Detroit, have decreased in population. The Motor City, which once had 1.8 million residents in the 1950s, went down to a population of 1,027,974 in 1990 and further fell to 680,250 in 2014.
Zinc(Zn) Component of enzymes and insulin; aids in wound healing, growth, tissue repair, and sexual development. Wheat bran, pumkin seeds, sunflower seeds, brewer's yeast, onions, oysters, green leafy vegetables.
Copper is a mineral that is found throughout the body. It helps your body make red blood cells and keeps nerve cells and your immune system healthy. It also helps form collagen, a key part of bones and connective tissue. Copper may also act as an antioxidant, reducing free radicals that can damage cells and DNA. Copper helps the body absorb iron.