Your brain is bound to shrink as you age — it's unavoidable. But there are certain lifestyle factors that hasten the process, according to a new study by researchers at University of California, Davis.
The four factors that were associated with faster declines in brain volume were:
• High blood pressure
• Cigarette smoking
• Being overweight or obese
Read more: http://healthland.time.com/2011/08/03/study-4-factors-that-may-shrink-your-brain/#ixzz1U3TU6JP2
All these factors are very predictable but then I came across:
Internet addiction may cause brain shrinkage. In June, Scientific American reported on a recently published Chinese study that brain-scanned 18 college-aged internet addicts and found, in part, that "several small regions in online addicts' brains shrunk, in some cases as much as a 10 to 20 percent."
I can't afford to lose 10-20% of my brain, I need all the grey matter I can get .