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CNN – Health

Find your sleep ‘sweet spot’ to protect your brain as you age, study suggests

CNN By Kristen Rogers, CNN How long older adults sleep could affect their brain health, according to a study published Monday in the journal JAMA Neurology. Disrupted sleep is common in late life, the study authors wrote, and associated with changes in cognitive function — the mental capacity for learning, thinking, reasoning, problem-solving, decision-making, remembering

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Rates of new Covid-19 cases are almost 3 times higher in states with low vaccination rates, new data shows

By Holly Yan and Madeline Holcombe, CNN After months of progress in the fight against Covid-19, cases are rising again as the highly contagious Delta variant spreads across the US. States with below-average vaccination rates have almost triple the rate of new Covid-19 cases compared to states with above-average vaccination rates, according to new data

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