Word: dementia
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Secondhand smoke, once considered a mere nuisance, has proved to be far more harmful. It can lead to lung cancer and heart disease, exacerbate asthma and cause pneumonia and bronchitis in babies. Now, a new study links it to another serious condition: dementia in adults...
...study published Feb. 13 in the British Medical Journal found a significant increase in the risk of dementia and other forms of cognitive impairment in people over 50 who have been exposed to high levels of secondhand smoke. (See pictures of vintage pro-smoking advertisements...
Previous research has linked active smoking with cognitive impairment. But this is the first large-scale study to associate secondhand-smoke exposure to dementia and other neurological problems in older populations...
Studies have shown that diabetes may speed up aging-related deficits in mental function and lead to a twofold increase in the risk of dementia. Some researchers have speculated that diabetes could even boost the risk of developing Alzheimer's disease. Roger Dixon, a psychologist at the University of Alberta in Canada, wanted to learn whether this was true and set out to study exactly how uncontrolled blood sugar affected the brain...
...years before the first muscle tremors appear. People diagnosed with an unusual sleep condition called REM sleep disorder, in which they physically act out their dreams by kicking, screaming and even harming themselves and others lying next to them, are 18% more likely to develop a neurodegenerative disease like dementia or Parkinson's within five years of their diagnosis, and 52% more likely after 12 years. "We have been aware of the potential connection between REM sleep disorder and these diseases for some time, but this is the largest and longest study to estimate the true risk of getting Parkinson...