Peter keeps his mind active by completing a crossword puzzle each day. this may delay the onset of

Peter keeps his mind active by completing a crossword puzzle each day. This may delay the onset of memory decline such as Alzheimer’s disease.

Participation in cognitively stimulating activities may delay onset of the memory decline via its effect on improving cognitive reserve. It has been shown by recent studies that doing a crossword puzzle was associated with delayed onset of memory decline in persons who developed dementia.

the backbone of the dna and rna compound is sugar phosphate.

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