American soccer star Brady Chastan, who became famous at 1999 Women\'s World Cup, has promised to donate her brain to the concussion Heritage Foundation.
Chastan, who has now retired from the campaign, said she hopes it will help \"change positive things \".
She joined a lot of help studying long-
Long-term impact of concussion on athletes
Degenerative is a Degenerative disease found in athletes with a history of repeated brain injuries.
Chastain, 47, announced on Thursday that she will donate her brain to Boston University, which is leading research into the effects of multiple concussion and chronic traumatic brain disease (CTE).
\"It\'s scary to think about all the titles and potential concussions I \'ve never been diagnosed in my life, but it\'s better to know,\" she said . \" Guess his experience of head injury in his football career.
CTE is associated with symptoms such as memory loss, depression and progressive dementia.
According to the New York Times, female athletes were not found to have CTE, although this may be due to the small sample size.
The disease was found in some male sports stars.
Including many former American football players.
CTE cases can only be diagnosed after brain examinationmortem.
Chastain\'s decision was made at her teammate, Cindy Palo Coane, who also decided to donate her brain.
Both women have called on football regulators to introduce regulations to prevent children under the age of 14 from holding the ball.
The study of CTE has made several sports, including American football and horse racing, the focus.
Games and rugby in recent months.
Last year, a Hollywood movie starring Will Smith about the impact of concussion on National Football League stars was released.
In February, it was revealed that Ken Stabler, one of the most famous quarterback of all time, has been suffering from the disease.
Chastain is known for scoring the American winning goal in the penalty shootout.
Against China in 1999 Women\'s World Cup finals.
The football star, dressed in a black sports bra, knelt on the court, clenched his fist and swept the world to become a landmark image of the women\'s football team.