7 Ways to Keep Your Brain Healthy

The researchers were able to use the brain scans to quantify exactly how much brain matter is lost when these vascular risk factors are present.


The researchers were able to use the brain scans to quantify exactly how much brain matter is lost when these vascular risk factors are present.

People with the highest vascular risk had around 18 milliliters (ml), or nearly 3 percent, less volume of gray matter compared to people without the risk factors.

Grey matter is brain tissue on the surface of the brain that houses most of the neurons. Neurons send messages through your brain to your body. When they’re impaired, your reactions and processing slow down.

Additionally, these scans showed that individuals with vascular risk had one-and-a-half times the damage to their white matter compared to people without the risks.

White matter is deeper in the brain than gray matter. It naturally declines with age, but previous research has shown that white matter loss is linked to slower thought processing and reduced executive functioning. Vascular risk factors may speed up this loss.

The study also found that damage to the brains wasn’t even across the whole of the brain. Indeed, specific areas were more likely to be affected by the atrophy, and these areas have significant impacts on cognitive health.

“The areas affected were mainly those known to be linked to our more complex thinking skills and to those areas that show changes in dementia and ‘typical’ Alzheimer’s disease,” Cox said. “Although the differences in brain structure were generally quite small, these are only a few possible factors of a potentially huge number of things that might affect brain aging.”

Any perceived protective benefits of younger age are wiped out when these vascular risk factors are present, the researchers also discovered.

“We found that higher vascular risk is linked to worse brain structure, even in adults who were otherwise healthy,” Cox said in a . “These links were just as strong for people in middle age as they were for those in later life, and the addition of each risk factor increased the size of the association with worse brain health.”

“No matter what age, our behaviors impact the health of our bodies and our brains,” neurologist and geriatric psychiatrist at Providence Saint John’s Health Center in Santa Monica, California, told Healthline.

“This means that younger adults need to be aware of the importance of not taking on unhealthy habits like smoking, physical inactivity, overeating, or unhealthy eating. Even in younger adults, unhealthy habits can take a toll on the structural integrity of the brain and its connections,” Merrill said.

“This is a very important study, which serves as a wake-up call to all patients who have cardiovascular risk factors such as smoking, high blood pressure, high pulse pressure, diabetes, and obesity,” director of cardiovascular health and lipidology at in Manhasset, New York, told Healthline. “This study demonstrated that these risk factors are associated with brain shrinkage. The cause for this type of brain damage is most likely injury to the blood vessels.”

While this study didn’t connect the changes in brain size and brain matter to changes in thinking skills — future studies from this group may tackle that question — it does point to the importance of preventing vascular risk factors with lifestyle changes and traditional medical approaches when necessary.

“It’s never too late to improve your brain health,” Lainey Younkin, MS, RD, LDN, registered dietitian and founder of , told Healthline. These tips may help improve your physical health, your brain health, and your cognitive abilities.

Move more

Aim for 150 minutes or more of aerobic exercise each week. If you’ve not been moving regularly, don’t worry.

Merrill pointed out that one study found sedentary older adults who participated in a new habit of walking regularly for one year showed significant improvements in memory performance that also related to growth of memory areas in the brain.

Build muscle

Aerobic exercise coupled with strength training at least two times per week has been shown to improve heart health, according to Merrill. “We now know that these activities in all likelihood also improve brain health,” he said.

Eat a heart-healthy diet

“In addition to eating brain-boosting foods like blueberries, nuts, and fatty fish, cut back on frozen meals, take out, deli meat, and cheese, which are some of the highest sources of sodium in the American diet that can drive up blood pressure,” Younkin said.

She added that there are clear guidelines for how to approach each meal.

“Aim to make half your plate non-starchy vegetables and a quarter of your plate whole grains,” she said. “The increase in fiber and decrease in ‘empty’ carbohydrates will help you maintain a healthy weight and keep your blood sugar stable.”

Be more mindful

Anxiety and stress take a toll on your mental health, but they can also impact your physical and brain health, too. Regular meditation or a mindfulness practice may help reduce the risk of worsening vascular health.

Sleep tight

Poor or inadequate sleep is with worsening health and vascular risk factors, including high blood pressure and weight gain.

Your brain needs those “off” hours to help clean up neurons and synapses and make memories. When you don’t get quality sleep, your brain health and your physical health are significantly impacted.

Use your brain

“Remaining cognitively active through social activities, like attending a book club or taking a cooking class, may help slow down or stave off the development of memory loss and associated depression with aging,” Merrill said.

Watch your blood pressure

Check your blood pressure regularly, or at least every six months. Watch for signs of a creeping increase.

“This study indicates that the 2017 high blood pressure guidelines, which state that high blood pressure is now defined as a blood pressure greater than 130/90, is on the money,” Mintz said. “The new guidelines for high blood pressure will help us recognize people at earlier ages who are at risk for lifelong high blood pressure.”

Research connecting poor physical health with deteriorating brain health is increasing. This study finds that vascular risk factors can damage your brain’s health, which could slow thinking skills and even lead to changes that resemble Alzheimer’s disease and dementia.

Many of these vascular risk factors, however, are preventable.

“This study has a strong public health message,” Mintz said. “Patients can help themselves.”

A healthy lifestyle can help you prevent risk factors like high blood pressure, diabetes, and obesity. If you already have one or more of these risk factors, you may be able to make lifestyle changes that can reverse the conditions and help improve your brain health.

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