HEALTH TOPICS 
Andrew E. Budson, MD
Posts by Andrew E. Budson, MD
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Does air pollution cause Alzheimer’s disease?
It has been known for some time that air pollution causes heart and lung diseases. Now, results from three different studies on populations in different parts of the world show an association between higher levels of air pollution and greater risk of cognitive impairment, dementia, and Alzheimer’s disease.
Can controlling blood pressure later in life reduce risk of dementia?
An analysis of multiple studies looking at the relationship between high blood pressure and cognitive health –– abilities like thinking, memory, and attention –– found that older people who lower high blood pressure are slightly less likely to develop cognitive impairment or dementia.
What to eat to reduce your risk of Alzheimer’s disease
A Mediterranean-style diet has been shown to benefit cognitive performance, and one food — fish — stands out as helping lower risk of both cognitive impairment and cognitive decline.
Trouble with crossword puzzles? Improve your semantic memory
Semantic memory is your store of factual knowledge and the meanings of words. It also helps you recall nonverbal concepts and relationships between words and concepts. And while some aspects of memory may decline with age, semantic memory does not.
A clue to a cure for Alzheimer’s disease
Half of people who live to 85 will develop Alzheimer’s disease — a disturbing statistic. But research into a family in South America has revealed a gene mutation that appears to afford protection, and may lead to a way to treat or possibly even prevent the disease.
Is there a test for Alzheimer’s disease?
Wondering whether a blood test or brain scan can accurately diagnose Alzheimer’s disease? If memory loss is a problem for you or a loved one, consider these points before discussing potential next steps with a doctor.
Want to travel back in time? Use episodic memory
When people refer to “memory,” they often mean episodic memory, a complex brain process that enables recall of details like names and route detours — as well as long-ago moments.
Want a sharp mind, strong memory? Ramp up activities
Research shows that older people who are socially engaged and keep their minds active are more likely to remain mentally sharp. But what specific activities should people do? And does it matter if they start late in life or sooner?
Trouble keeping information in mind? Could be sleep, mood — or age
Most people experience some degree of decreased memory as they get older, but memory performance is also affected by mood and sleep quality, and these are factors that can be controlled and improved.