In the latest example of "everything in moderation," too much Xbox-playing may have led to a young British man's death.

Twenty-year-old Chris Staniforth, who reportedly played the game "Halo" on his Xbox for up to 12 hours at a time, died in May from deep vein thrombosis, a condition triggered by sitting for extremely long periods of time. A coroner said that there was a blood clot that formed in Staniforth's leg that moved up to his lungs to cause a fatal pulmonary embolism, the New York Daily News reported.
Deep vein thrombosis usually occurs among people who have to sit on a long-haul flight, according to the Mayo Clinic. Symptoms include swelling in the leg where the blood clot originates, followed by shortness of breath, chest pain and dizziness.

"After my research I saw there was no difference to Chris sitting at a desk on his Xbox and someone on a long-haul flight," Staniforth's father, David, told BBC News.

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