Higher levels of good cholesterol may increase the risk of Alzheimer’s disease, but new research suggests that the quality of HDL particles is more important than the quantity. Research conducted at the University of Pittsburgh found that women with more small HDL particles in midlife had better memory and processing speed later in life. Participants who showed increases in specific types of HDL while experiencing less increase in particle size had better cognitive health. The study also found that adopting lifestyle measures recommended by the American Heart Association could improve the quality of HDL particles in the bloodstream and potentially protect against dementia.
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