Brain Injury Connection to Dementia Proven in Large Study

Brain Injury Connection to Dementia Proven in Large Study

Brain Injury Connection to Dementia Proven in Large Study

I’m Sacramento brain injury lawyer Ed Smith. The results of an extensive study on people with a traumatic brain injury (TBI) over an extended period show that a high percentage of those injured are at a higher risk for dementia. The study hopes to assess risk factors for young people who suffer a TBI.

TBIs Are a Common Injury

Dementia currently affects 47 million people around the world, a number that is expected to be doubled in the next several decades. TBIs are a typical brain injury, affecting about 50 million each year. They may be caused in both open and closed head injuries. Following are the most common reasons that TBIs occur:

  • Falls account for about 47 percent of TBIs. These kinds of serious injuries are most common among young children and the elderly.
  • Being struck by an object or falling against one accounts for about 15 percent of Specific brain injuries.
  • Injuries caused by motor vehicle crashes account for 14 percent of TBIs. Some of these are caused by rollover accidents and commonly occur with a crushed roof.
  • Assaults, including with firearms, account for 9 percent of TBIs.

Details of the Study

According to an article published in The Lancet Psychiatry recently, the study was conducted over a 36-year period using 2.8 million subjects. The long-term study was conducted using those who had suffered TBIs and those who had no brain injuries to determine whether there was a strong correlation between TBI and brain dementia. It concluded that 24 percent of those who had a TBI would probably develop dementia. The risk grew larger if the TBIs were more serious and with the number of times a TBI was suffered by the individual. According to the study, a single instance of TBI of a mild nature such as a concussion was enough to increase the risk by 17 percent.

Risk Factors

In the comparison of those with previous TBI and those without, the risk increased with the number of TBIs suffered. Those who had suffered two or three TBIs increased their risk of dementia by 33 percent. If the person had suffered four TBIs, the risk increased to 61 percent. The risk of getting dementia increased by almost three times if the individual had suffered TBIs five or more times.

Risk Factors for TBI

Certain characteristics make it more risky for some to suffer a TBI. These factors tend to be age related:

  • Falls and resulting TBIs are the highest cause of death for those 75 or older.
  • TBIs from motor vehicle crashes were the highest cause of death for those between the ages of 5 and 24.
  • The highest cause of death from TBI for people between the ages of 25 and 64 was self-harm.
  • TBI was the leading reason for deaths in the 0 to age 4 range and was caused by assaults.

Related Articles by Sacramento Brain Injury Lawyer Ed Smith

Sacramento Brain Injury Lawyer

I’m Sacramento brain injury lawyer Ed Smith. When a brain injury has been caused by a negligent driver or through other forms of negligence, the injured individual or family can obtain fair compensation for the expenses incurred. Contact me for my free and friendly advice at (916) 921-6400 here in Sacramento or (800) 404-5400 outside the area. I also offer an online contact form at my website,

I belong to the Million Dollar Forum, a group of top trial attorneys with verdicts/settlements for clients totaling at least one million dollars.

Learning what others have said about a law practice helps when looking for assistance regarding your case. You can find reviews and comments about mine at:

Visit Settlements and Verdicts to see how I have helped others and how their cases were resolved.

Photo Attribution:

:cd [cs 682] cv

Client Reviews

  • Me and my wife; had a car accident. We were amazed how easy, professional, friendly attorney Ed Smith is along with his staff. Everybody is amazing. Thank you so much, we are very impressed!
  • Ed Smith and his office team took on a difficult personal injury case on my behalf and for the passenger in my car. Ed is a top- notch attorney. His staff couldn't have been more helpful and kind. No need to look elsewhere. I give Ed Smith my highest recommendation.
  • Ed and Robert have been taking great care of my husband and I for the past 5+ years. They are always there when you have a problem and a quick resolution! Even when the issues have nothing to do with them. They are willing to help ease the pain off your shoulders. They are as good as it gets! Thank you again for everything.
  • Very professional. Great team, staff and service all around. Mr Smith was very honest, straight forward with his advice. He gives the word "attorney" an honest reputation. I will seek his council anytime, and would recommend him at the drop of a dime.
  • I would highly recommend Ed Smith to any friends or family in need of a personal injury attorney. Ed, and his staff, are very caring on top of being very experienced in this field. The staff always keeps you informed of the status of your case and they are always easy to reach by phone.
  • Edward Smith law offices provide competent, thorough, and personable help for victims of personal injury. When you first meet the staff you know you contacted the right office. This law office treats clients like people. I recommend this office to anyone seeking representation regarding personal injury.