Historically, life expectancy has been lower for men than women. Although the gap between the sexes was small in 1921 (1.8 years), it reached a high of 7.4 years in 1975-1977 and narrowed to 4.3 years in 2010-2012. similar result can be seen for 90-year-olds. In 1921, life expectancy at age 90 was 3.4 years. By 2011, a 90-year-old could expect to live another 5.3 years, a gain of 1.9 years during the 90 year reference period (Chart 1).
The test is not painful and can even be a little fun. Depending on what is being tested, it often takes about a half hour. The type of doctor who administers and reads a pulmonary function test is a pulmonologist.
An endocrinologist is a doctor who specializes in the diagnosis and treatment of conditions involving the endocrine glands, which produce secretions, such as hormones, that are released into the bloodstream. Endocrinologists often treat conditions that involve multiple systems within the body.