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Almost all of us have genetic defects hidden in our cellular furnaces
Almost all of us have genetic defects hidden in our cellular furnaces

The arrival of fast and relatively inexpensive genome sequencing is likely to open whole new avenues for diagnosing and treating diseases. But in a new study, scientists show that it can also reveal how some age-related diseases -- from diabetes to neurodegenerative disorders such as Parkinson's disease and dementia -- establish a foothold in the human body, and in doing so, point the way to preventing such diseases. The latest research zeros in on mitochrodrial DNA -- the much smaller but more diverse packet of genetic material packaged not in the nucleus of a cell, but in the small cellular power plants called mitochondria, which convert energy from food into cellular fuel....

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