Medical reasons for gender selection can also be psychological: a single female may feel better equipped to have a daughter than a son; parents who lost a child may feel a strong need for a child of the same gender.
It is considered that the lining of the stomach is replaced every 5 -10 days due to the highly acidic nature of stomach contents and the need to protect against damage.The process is continual with respect to shedding of cell layers, and there are multiple protective measures to look after the vulnerable surface.t is considered that the lining of the stomach is replaced every 5 -10 days due to the highly acidic nature of stomach contents and the need to protect against damage. The process is continual with respect to shedding of cell layers, and there are multiple protective measures to look after the vulnerable surface.
Collagen composes up to 80 percent of the skin. Its role is to maintain the skin's integrity, but collagen breaks down with advancing age. The breakdown of collagen during the aging process can lead to wrinkles, lines and folds. Collagen injections replenish the skin's natural collagen.Several types of Collagen fillers are on the market. For example, collagen fillers containing human collagen include CosmoDerm and Cosmoplast.he breakdown of collagen during the aging process can lead to wrinkles, lines and folds. Collagen injections replenish the skin's natural collagen. Several types of Collagen fillers are on the market. For example, collagen fillers containing human collagen include CosmoDerm and Cosmoplast.