By Denise Mann HealthDay Reporter
WEDNESDAY, March 10, 2021 (HealthDay Information) — Sustaining only one head harm could up your probabilities of creating dementia a long time later by 25%, and this danger will increase with every subsequent head harm, new analysis suggests.
“Head harm isn’t the one danger issue for dementia as hypertension and diabetes, amongst others, additionally contribute considerably to dementia danger, however head harm is one danger issue for dementia that’s modifiable by behavioral adjustments comparable to sporting helmets and seat belts,” stated examine writer Dr. Andrea Schneider. She’s an assistant professor within the neurology division on the College of Pennsylvania Faculty of Medication.
Dementia is an umbrella time period for a bunch of ailments, together with Alzheimer’s illness, that have an effect on considering capability, reminiscence and/or different cognitive features.
Precisely how head harm could result in dementia isn’t absolutely understood but, Schneider stated.
“In the identical manner that the well being of the blood vessels within the mind are affected by vascular danger elements comparable to hypertension, diabetes, smoking, and so on., that will result in later-life dementia, head harm itself causes harm to the blood vessels within the mind which can result in later-life dementia by related pathways,” she defined.
Researchers analyzed 25 years of knowledge on greater than 14,000 folks within the Atherosclerosis Threat in Communities Research. Contributors — common age 54 — had been interviewed about head accidents each in particular person and/or over the phone at common intervals. The researchers additionally checked out contributors’ hospital information of head accidents.
When in comparison with individuals who by no means sustained a head harm, one earlier head harm upped dementia danger by 25%. A historical past of two or extra head accidents was related to greater than two occasions the chance of creating dementia 25 years later, the examine confirmed. Virtually 10% of all dementia instances within the examine had been associated to historical past of head harm after age 45, and this elevated danger was seen for every type of dementia, together with Alzheimer’s illness.
Girls had been extra probably than males to develop dementia following head harm, and white people had been at larger danger than Black contributors within the examine.
“These findings are novel, and replication … in addition to investigation into causes underlying these doable intercourse and race variations are warranted,” Schneider stated.
Though the findings level to an affiliation between concussion and later dementia, they don’t show trigger and impact.
Dr. Howard Fillit is chief science officer on the Alzheimer’s Drug Discovery Basis in New York Metropolis.
Calling the brand new findings “fairly vital,” he stated extra analysis is required to know how head harm could result in dementia. “There are a lot of mechanisms by which a traumatic mind harm may finally trigger dementia, and we all know dementia begins about 20 to 30 years earlier than it turns into symptomatic,” stated Fillit.
There are methods to assist decrease your probabilities of creating dementia, he famous. They embody not smoking, ingesting alcohol solely carefully, staying socially linked and defending your head by sporting a helmet or seat belt. It is also vital to handle different identified dangers comparable to hypertension, excessive ldl cholesterol and diabetes.
Dr. Robert Glatter, an emergency doctor at Lenox Hill Hospital in New York Metropolis, agreed that prevention is warranted.
“Stopping head accidents ought to concentrate on fall prevention in older individuals since this stays the most typical mechanism for harm,” he stated. “Workout routines that construct core power and enhance stability are useful to cut back the chance of falls.”
Neither Fillit nor Glatter was concerned with the brand new examine, printed March 10 in Alzheimer’s & Dementia: The Journal of the Alzheimer’s Affiliation.
SOURCES: Andrea L.C. Schneider, MD, PhD, assistant professor, division of neurology, division of neurocritical care, College of Pennsylvania Perelman Faculty of Medication, Philadelphia; Robert Glatter, MD, emergency doctor, Lenox Hill Hospital, New York Metropolis; Howard Fillit, MD, chief science officer, Alzheimer’s Drug Discovery Basis, New York Metropolis; Alzheimer’s & Dementia: The Journal of the Alzheimer’s Affiliation, March 10, 2021
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