Nearly 1 in 5 men in the U.S. has difficulty achieving or maintaining an erection . The study found that nearly one out of every five women and more than half of all men have experienced some degree of erectile dysfunction at least once during their lifetimes. Doctors should inform the public of this connection , researchers say . Exercise is key for heart health and blood vessel function .
Nearly 1 in 5 men in the U.S. has difficulty achieving or maintaining an erection . Erectile dysfunction is also a known harbinger of heart disease . Doctors should inform the public of this connection , researchers say . Exercise is key for heart health and blood vessel function .