Does Diabetes Change with Aging for Pre- and Post-Brain Injury

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My Aunt Sarah always sat down at Thanksgiving an hour before everybody else was summoned to the dining room. The reason? Her diabetes had fallen below her sugar intake, and when she arrived, feeling faint and fearing she would fall once again, my mother would cut off the turkey’s ass and present it to Aunt Sarah, the only part of the turkey that nobody would request.

But Aunt Sarah gobbled it up, and lucky for my mother that Aunt Sarah didn’t want a drumstick. Otherwise, my mother could have been accused of buying a discounted turkey with one leg. Things like that mattered to my mother.

Anyway, I always wanted to know if diabetes would change with the aging brain for pre- and post-brain injury since my stroke back in ’09. So here’s what I found out. Diabetes does change with growing older, and the effects can be even more complicated for people who’ve had a brain injury, either before or after being recognized. As people age, here’s a clear analysis:

Older adults may also disregard signs of low or high blood sugar, increasing risks and thinking it’s something else that has gone awry
The body doesn’t respond as well to insulin
Cognitive decline or worsened memory problems
Other health issues like poor appetite, kidney problems, or misdiagnosed medication become more likely and can deceive glucose feedback
The pancreas may deliver less insulin
There’s an increased risk of low blood sugar hypoglycemia (low blood sugar) because of slower liver return and lessened hormonal signals
Erratic blood sugar levels from less predictable eating or activity
Increased risk of falls or hospitalization due to hypoglycemia or diabetic complications

For people with diabetes before a brain injury, sustained hyperglycemia and its associated vascular damage can speed up brain aging. And high blood sugar can lead to vascular changes, inflammation, and lessen neuroplasticity, all of which make way for less cognitive supply.

Having the brain less flexible, it may make recovery more challenging. Studies have shown both diabetes and even pre-diabetes are markers of accelerated brain aging, such as reduced brain capacity and impaired white matter, the latter which plays a critical role in helping the body process information and connects regions that send and receive signals, affecting the ability to focus and learn, solve problems, and stay balanced when walking.

The interaction between diabetes, aging, and brain injury is varied. Although both long-term diabetes and brain injury both challenge brain health, when they converge–whether diabetes is present before a brain injury or develops afterward–aging can further complicate results.

Adults past sixty with preexisting diabetes might face various difficulties when recovering from a brain injury. The long-term metabolic changes of diabetes, such as insulin resistance and systemic inflammation, may worsen post-injury results. Management in these cases often focuses on strict glycemic control and vascular protection before and after the injury, destined to preserve as much of the brain’s cognitive supply as possible.

Pre-existing diabetes and brain aging magnifies actual metabolic and vascular injuries, so when brain damage crops up, the damage from both high blood sugar and trauma intersects, leading to a more severe injury of cognitive and neural behaviors.

To summarize:

If you had a stroke or TBI before diabetes:

Reduced mobility after brain injury may increase insulin resistance over time.
Damage to the hypothalamus (brain’s metabolic control center) or pituitary can affect hormone regulation and lead to diabetes or worsen it.
Cognitive issues may make it harder to manage blood sugar like forgetting meals or meds.

or

If you had diabetes before your brain injury:

Blood sugar can be much harder to control after injury:
- Brain injury may interfere with appetite, judgment, memory, or the ability to take medication.
- Autonomic nervous system damage may slow down the warning signs of low blood sugar.
You’re at a higher risk of stroke or brain injury because of vascular damage.
Diabetes worsens brain healing: high glucose damages blood vessels, slows repair, and increases inflammation in the brain.

Studies suggest that healthy lifestyle choices like regular physical activity, proper nutrition, and cognitive commitment can help counteract some of the accelerated brain aging seen in diabetes. Also, integrative brain rehabilitation programs are progressively combining tailored glycemic management with cognitive rehabilitation techniques.

This coupled approach is made to lower the impact of both aging and diabetes, whether the diabetes was pre-existing or came about post-injury. Also, it holds promise for making the best of recovery and long-term brain health in older adults journeying these challenges.

Aging further makes matter worse because older brains typically displays slower recovery and reduced scope to comply with new metabolic ways. Therefore, managing blood glucose becomes not only a metabolic need but also a demanding component of the brain rehabilitation to offer the best cognitive and physical recovery possible.

With some people, it’s genetic, especially Type 2. So as everybody’s favorite actor, Tom Hanks, once said, “By the nature of my diet and that lifestyle – boom! The end result was high blood sugars that reach the levels where it becomes Type 2 diabetes. I share that with a gajillion other people.”

Keep sharing, Tom!