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			 The suit comes amid scrutiny and continuing litigation over the 
			effects of repeated blows to the head in American football, and the 
			potential for such injuries to contribute to depression and other 
			mental health problems among players. 
			 
			Debra Pyka filed the complaint against Pop Warner Little Scholars 
			and its liability insurer in a federal Wisconsin court. Pyka said 
			her son, Joseph Chernach, hanged himself at the age of 25, after 
			developing brain diseases from playing in the league as a youth. 
			 
			"Tackle football with helmets is a war game. It is not only a 
			'contact' sport, it is a 'combat' sport," the complaint said. 
			"Joseph Chernach's suicide was the natural and probable consequence 
			of the injuries he suffered playing Pop Warner football." 
			 
			Representatives for the Langhorne, Pennsylvania-based body did not 
			immediately respond to requests for comment. 
			  The suit said Chernach played in the league for four years, starting 
			as an 11-year-old, and suffered concussions that were not diagnosed 
			at the time. The suit said he developed dementia pugilistica, also 
			known as chronic traumatic encephalopathy, and post-concussion 
			syndrome. 
			 
			He performed well in school for years until he became a sophomore at 
			Central Michigan University, the suit said, at which point the 
			cumulative brain damage began to affect his thinking and mood. 
			 
			"From that point on, his mood became progressively depressed and 
			ultimately paranoid, distrusting his closest friends and family," 
			the complaint said. 
			 
			
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			He hanged himself in his mother's shed in June 2012, according to 
			the complaint. The family only learnt of his brain injuries when 
			they got an autopsy report the following year. 
			 
			Pyka is seeking at least $5 million for his wrongful death. 
			 
			In 2012, the league tightened safety regulations to better protect 
			players from concussions and other head injuries, according to media 
			reports. 
			 
			On Monday, a federal judge rejected a settlement between the 
			National Football League and thousands of retired players who sued 
			over concussions and neurological impairments, saying the accord 
			should be expanded to provide payment eligibility for additional 
			players and families. 
			 
			(Reporting by Curtis Skinner in San Francisco) 
			
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