Gender differences in mortality and life expectancy vary by country. But in most countries, men live shorter lives than women (see figure). In Russia, for instance, the difference between male and female life expectancy is 13 years (59 vs. 72).he difference in male and female life expectancy has narrowed in recent years, from at least 7.7 years from 1972-1979 to 5.2 years in 2004, according to the U.S. National Center for Health Statistics.
A pulmonologist (sometimes referred to as a pulmonary disease specialist) is a physician who specializes in the diagnosis and treatment of conditions and diseases associated with the lungs.
If you still don't get relief, or the problem requires additional testing, you may be referred to a specialist: 1  A pulmonologist treats lung disease and breathing problems associated with sleep disorders, such as sleep apnea. 2  A neurologist treats brain and nervous system disorders that may contribute to sleep problems.