In the 20th century, human life expectancy grew by 30 years, according to scientists.
That's the biggest life span boost, greater than in the previous 5,000 years combined. In part we have medical breakthroughs like penicillin and vaccines to thank. Another huge factor is that childbirth became much safer.
Robert Lanza, the chief scientific officer of Advanced Cell Technology in Worcester, Mass., believes further advancements in health and science will continue that pattern through the...Full Story