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Saturday, April 26, 2025

Study finds lower rates of death from Alzheimer's disease among taxi and ambulance drivers

A new study raises the possibility that jobs that require frequent spatial processing -- such as figuring out a taxi route or the best way to navigate to a hospital -- could lead to lower rates of death from Alzheimer's disease. Researchers investigated this possibility by using national data on the occupations of people who had died to evaluate risk of death from Alzheimer's disease across 443 professions. They found that taxi driving and ambulance driving were associated with a lower rate of death from Alzheimer's disease compared to other professions.

5 of the most frustrating health insurer tactics and why they exist

The U.S. has made great progress in getting more people insured since the Affordable Care Act took effect in 2014. The share of uninsured Americans ages 18 to 64 fell from 18% before the ACA ^[1] to 9.5% in 2022. And preexisting conditions no longer prevent coverage or lead to an increase in premiums.

Yet even for those with health insurance, coverage does not ensure access to care, much less high-quality and affordable care....

Breathing coordinates brain rhythms for memory consolidation during sleep

Just as a conductor coordinates different instruments in an orchestra to produce a symphony, breathing coordinates hippocampal brain waves to strengthen memory while we sleep, reports a new study. This is the first time breathing rhythms during sleep have been linked to these hippocampal brain waves -- called slow waves, spindles and ripples -- in humans. Scientists knew these waves were linked to memory but their underlying driver was unknown.

Staying sharp: Study explores how brain changes may affect financial skills

A new article sheds light on how age-related changes may affect the way we handle finances -- and how we can stay sharp as we age.

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