Sickle cell trait

• Pittsburgh Steelers safety Ryan Clark will not play in Pittsburghs playoff game against Denver this weekend, head coach Mike Tomlin announced Tuesday.
(YAHOO!)
• The Medical Examiners office says an ex-University of Tulsa football player who participated in an unsanctioned boxing match died from sudden exertion due to Sickle Cell Trait complications. A spokeswoman for the office told the Tulsa World (http://bit.
(AP - msnbc.com)
• The state Medical Examiner's office said Tuesday the former University of Tulsa linebacker who died in a church boxing match in September died from sudden exertion due to complications of Sickle Cell Trait.
(Tulsa World)
• PITTSBURGH — Pittsburgh Steelers safety Ryan Clark will not play in Sunday's AFC Wild Card game in Denver due to a sickle-cell trait that makes it dangerous for Clark to play at higher elevations.
(Washington Post)
• Clark has the sickle cell trait, and his body was attacked from the high exertion in high altitude in Denver in 2007 and he lost his spleen and gall bladder from the stress. When the Steelers played there in 2009, Tomlin would not let him play.
(CBS Sports)
• Clark suffers from a condition known as sickle cell trait and the high altitude and low oxygen conditions in Denver make it unsafe for him to play. He last played in Denver in 2007 and it almost killed him. He lost his spleen and gallbladder as well as 30 pounds.
(YAHOO!)
• NEW YORK, Dec. 27, 2011 /PRNewswire via COMTEX/ -- Reportlinker.com announces that a new market research report is available in its catalogue: Sickle Cell Anemia Therapeutics - Pipeline Assessment and Market Forecasts to 2018 http://www.reportlinker.
(Pipeline Assessment and Market Forecasts to 2018 - CNBC)
• The Steelers (12-4) will begin their quest for a second straight AFC title without Clark, who will be held out of the lineup as a precaution due to a sickle-cell trait that becomes aggravated when playing at higher elevations.
(Washington Times)
• After a college football player died from complications due to sickle cell trait during a workout, the NCAA implemented mandatory screening of all Division I student athletes.
(FOXSports.com)