By Dr Ananya Mandal, MD. Life expectancy refers to the number of years a person is expected to live based on the statistical average. Life expectancy varies by geographical area and by era. In the Bronze age, for example, life expectancy was 26 years, while in 2010, it was 67 years.In mathematical terms, life expectancy refers to the expected number of years remaining for an individual at any given age.ife expectancy varies by geographical area and by era. In the Bronze age, for example, life expectancy was 26 years, while in 2010, it was 67 years. In mathematical terms, life expectancy refers to the expected number of years remaining for an individual at any given age.
What It Is. A stool (feces) sample can provide doctors with valuable information about what's going on when a child has a problem in the stomach, intestines, or other part of the gastrointestinal (GI) system. A stool culture helps the doctor determine if there's a bacterial infection in the intestines.A technician places small stool samples in sterile plastic dishes containing nutrients that encourage the growth of certain bacteria.hat It Is. A stool (feces) sample can provide doctors with valuable information about what's going on when a child has a problem in the stomach, intestines, or other part of the gastrointestinal (GI) system. A stool culture helps the doctor determine if there's a bacterial infection in the intestines.
WEDNESDAY, April 24 (HealthDay News) -- An experimental test could help doctors catch a deadly type of fungal infection in the blood within a few hours, rather than the few days it currently takes, a new study suggests.The test, which is not yet on the market, looks for Candida infection in the blood.The fungus is best known for causing common vaginal yeast infections, but when it gets into the bloodstream it can cause serious infections of organs and tissue throughout the body.he test, which is not yet on the market, looks for Candida infection in the blood. The fungus is best known for causing common vaginal yeast infections, but when it gets into the bloodstream it can cause serious infections of organs and tissue throughout the body.