5elifestyle.com explains the myth concerning how long do people with big foreheads live. Now, some research studies have pointed out that some specific physical attributes of individuals like weight or height might be related to the shorter or longer expectancy of lives. Nevertheless, there is no logical proof to support the connection between life expectancy and the size of the foreheads.  Again, certain determinants like lifestyle, heredity, and the influence of the medical care system may also play a decisive role in ascertaining the lifespan of individuals.