Exposure to traffic noise linked to higher dementia risk

Could live by a busy road or near the train tracks put you at higher risk for dementia? A study published Sept. 11, 2021, in The BMJ found that people living close to noisy transportation routes for many years appeared to have an elevated risk of dementia, in particular Alzheimer’s disease, compared with those who lived in quieter locales.

Study authors in Denmark looked at national health registers, which included 105,500 cases of dementia among adults over age 60 from 2004 to 2017. They then looked at estimates of traffic and railway noise from residential neighborhoods throughout the country.

After controlling for other factors, such as socioeconomic status, and air pollution they found that people living in areas of high traffic or railroad noise for a decade or longer had a higher risk of dementia in general and a 27% increase in risk for Alzheimer’s disease. Roadway noise, but not train noise, was also linked to a higher risk of vascular dementia, a type of dementia caused by reduced blood flow to the brain from plaque buildup in the arteries. Researchers speculated that noise may affect sleep quality or cause an increase in stress that affects brain health. They say the findings show the importance of public programs to lessen noise pollution.

Bible verses for today’s meditation and inspiration: Matthew E. McLaren’

Then you will call on me and come and pray to me, and I will listen to you. Jeremiah 29:12 NIV

Be joyful in hope, patient in affliction, faithful in prayer. Romans 12:12 NIV

And when you pray, do not keep on babbling like pagans, for they think they will be heard because of their many words. Matthew 6:7 NIV

The Lord is near to all who call on him, to all who call on him in truth. Psalm 145:18 NIV

‘Call to me and I will answer you and tell you great and unsearchable things you do not know.’ Jeremiah 33:3 NIV

“For where two or three gather in my name, there am I with them.” Matthew 18:20 NIV

 Let us then approach God’s throne of grace with confidence, so that we may receive mercy and find grace to help us in our time of need. Hebrews 4:16 NIV

who is unseen. Then your Father, who sees what is done in secret, will reward you. Matthew 6:6 NIV

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