Your habits play just as much a role in your cognitive wellbeing as they do in your physical health. Unfortunately, some of the most common habits can take a serious toll on your brain over time, leading to a higher risk of cognitive issues like Alzheimer’s and dementia. From the foods you eat each day to your sleep patterns and even the time you spend (or don’t spend) with loved ones, seemingly small decisions can have a large impact in the long run.
To learn more about the worst lifestyle choices that could be hindering your brain health, we spoke to Dr. Sanjai Thankachen, Medical Director at New Leaf Detox, and Dr. Clint Salo, a board-certified psychiatrist at The Grove Recovery Community. They warn against sedentary lifestyles, social isolation, poor sleep, and more. Find all of their expert insight below.
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1. Lack Of Mental Stimulation
Just like muscles, the brain benefits from regular challenges. When daily routines become too repetitive and mentally unstimulating, cognitive flexibility may gradually decline.
"Finally, a lack of mental stimulation can gradually reduce cognitive flexibility," Salo notes. "The brain benefits from challenge and novelty, and repetitive routines without engagement can limit that stimulation."
So, there you have it: that daily crossword puzzle can go a long way.
2. Sedentary Lifestyle
You likely know that being a couch potato is a bad idea for your physical health, but did you know how much of an impact avoiding physical activity can have on your brain function?
"Sedentary routines are another common pitfall," Salo says. "Physical activity increases blood flow to the brain and supports neurological health, while prolonged inactivity can contribute to both anxiety and cognitive slowing."
So get out there and get active with some simple exercises!
3. Social Isolation
Humans are naturally social, and regular interaction plays a meaningful role in maintaining cognitive health. Spending time with your loved ones is actually important—and even necessary—for lasting brain health.
"Social isolation can also affect cognitive health," Salo explains. "Strong social interaction stimulates multiple areas of the brain, while isolation is associated with higher stress and increased risk of cognitive decline."
So, take some time to talk to a friend today!
4. Constant Multitasking
In a world filled with notifications and endless to-do lists, multitasking might feel like the best way to tackle everything on your plate. However, constantly switching between tasks can be exhausting for your brain and take a toll on your cognitive health.
"Many people underestimate how much constant multitasking strains the brain," says Dr. Clint Salo, a board-certified psychiatrist at The Grove Recovery Community. "Frequent task switching increases cognitive fatigue and reduces the brain’s ability to retain and process information."
5. Chronic Sleep Disruption
Getting inconsistent or insufficient sleep does more than leave you feeling groggy in the morning. As it turns out, it can interfere with critical brain processes that support long-term cognitive health.
"Chronic sleep disruption is one of the most overlooked contributors to cognitive decline," explains Dr. Sanjai Thankachen, Medical Director at New Leaf Detox. "During sleep the brain clears metabolic waste and resets key neurological systems. When sleep is consistently shortened or irregular, those processes become less efficient."
This is just one reason it's important to prioritize good sleep hygiene with healthy bedtime habits.
6. Prolonged Stress
Stress is unavoidable, but when it becomes chronic, it can do a lot of damage to your brain. When you're under too much stress for too long, your memory and emotions can take a serious hit.
"Prolonged stress can also have a cumulative effect on the brain," Thankachen says. "When stress hormones remain elevated for long periods, they can impact areas of the brain involved in memory and emotional regulation."
Making consistent efforts to manage stress can do wonders for your overall wellbeing.
