... to recover from losses, and afeeling of control over life are predictors of success-ful aging.Aging and MemoryShort-term memory functions and the speed of recall often decline with aging. ... viral and bacterial infections, and may decrease the risk of stomach, esophageal, and cervical cancer. It increases blood antibody levels and supports the function of the THYMUS GLAND and lymphocytes. ... prostate gland, seminal vesicles, and sperm production of the testes.The inner region of the adrenal gland, themedulla, is a major source of stress hormones. Itfunctions independently of the cortex...