There is no evidence that canola oil causes Alzheimer’s disease
The claim that canola oil is linked to Alzheimer’s disease is prevalent. However, there is no evidence supporting this claimed link.
Study shows that crosswords may slow cognitive decline
A new peer-reviewed study shows that doing crosswords can slow cognitive decline in individuals with moderate cognitive impairment.
Light alcohol drinking may be linked to lower dementia risk
New peer-reviewed research provides good evidence that light alcohol consumption is linked to a lower risk of dementia.
Relationship between Alzheimer’s disease and Mediterranean diet
New peer-reviewed research has shown that there is a relationship between Alzheimer’s disease pathology and type of diet consumed.
Vitamin D supplements may reduce the risk of dementia
A new peer-reviewed observational study shows that vitamin D supplementation may reduce the risk of dementia. But there are many limitations.
Six healthy lifestyle choices that slow memory decline
Recent published research shows that there may be lifestyle choices that reduce the risk of memory decline in seniors.
Diet soda increases risk of stroke and dementia – does it?
Two recent studies published in respected journals seem to indicate that diet soda increases risk of stroke and dementia. Not to give a free pass to sugary drinks, one of the studies seemed to indicate that either artificially sweetened or sugar filled drinks might be linked to a higher risk of Alzheimer’s disease.
Typical of the popular press and your average website, they accept the findings of these studies without any serious critique of these studies. US News blares a headline that says, “Health buzz: drinking diet soda linked to stroke, dementia risk, study says.” Thankfully, many of the headlines use the qualifier “may be linked,” but I’m afraid most people will overlook that nuanced discussion of these studies.
But what does the actual science say? Do these studies provide us with robust evidence that cutting out diet soda will suddenly decrease our risk of stroke, dementia or Alzheimer’s disease? Probably not, but let’s see what this data actually tells us.
Read More »Diet soda increases risk of stroke and dementia – does it?
Ginkgo biloba and the brain–myth vs. science
Ginkgo biloba is actually an interesting plant because it has been relatively unchanged for nearly 270 million years. It is considered a living fossil, an informal term used for species like G. biloba that appear to be the same as a species otherwise only known from fossils and which has no close living relatives. The genus Ginkgo was fairly widely distributed until about 100 million years ago. It slowly disappeared from the fossil record until it was found only in one small part of China about 5 million years ago, where it is found today.
The tree is native to China and is known to have been widely cultivated early in human history. It is used as a food source by various Asian cultures, with the Chinese eating the meaty gametophytes and the Japanese the whole seed. Unfortunately, the seed also contains a chemical, 4′-O-methylpyridoxine, that can be poisonous if consumed in a sufficiently large enough quantity. Read More »Ginkgo biloba and the brain–myth vs. science
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