Berries, especially blueberries and strawberries, have earned a reputation as a smart food choice, but not just among nutritionists. Neurologists point to their antioxidant content and potential brain benefits as another reason to keep them in regular rotation, whether fresh or frozen.
“I try to eat blueberries every week,” said David B. Babitt, MD, a neurologist at UTHealth Houston Neurosciences Neurology – Texas Medical Center and assistant professor in neurology at McGovern Medical School at UTHealth Houston. “They seem to have one of the highest concentrations of antioxidants and neuro-protective compounds of any fruit—maybe rivaled only by pomegranates, açaí berries, or cranberries. And blueberries are delicious.”
Benefits of berries
Much of the attention around berries comes from their polyphenols, a group of antioxidants also found in other richly colored fruits and vegetables. These compounds help reduce oxidative stress and inflammation, which are processes linked to aging and chronic disease.
“Polyphenols are beneficial for cardiovascular health—the heart and arteries that keep blood flowing to the brain,” Babitt said.
Both strawberries and blueberries are also beneficial for their low-calorie, high-fiber content, which helps people feel full longer. They can help manage blood sugar levels and improve insulin sensitivity.
Researchers have linked regular strawberry and blueberry intake with better performance on memory and thinking tests in older adults, as well as slower cognitive decline over time. While these berries aren’t a cure-all, they can be a smart addition supporting brain-healthy eating.
Eat a variety
Babitt emphasized that no single food can protect the brain on its own.
“Blueberries are one piece of a healthy diet,” he said. “Eating blueberries in isolation is not going to prevent Alzheimer’s or other dementias. You have to look at the whole picture.”
That picture includes a number of factors:
- Managing blood pressure, cholesterol, diabetes, and sleep habits
- Staying physically active
- Keeping the brain socially and cognitively engaged
- Building consistent, healthy eating habits
Incorporating berries into your diet
Blueberries and strawberries are easy to add to your diet in oatmeal, yogurt, smoothies, salads—or just by the handful. While there’s no magic number, Babitt aims to eat them at least once a week. Daily is even better.
If fresh berries aren’t always practical, frozen ones work just as well.
“Frozen fruits are generally known to have the same nutritional content as fresh,” Babitt said. “They’re great for longer storage, usually cheaper, and easy to use in smoothies or shakes.”
Watching for mold
Blueberries do have one downside, however: They tend to mold quickly. Babitt said he always recommends checking the container at the store because he’s found mold often. As a result, he suggests rinsing them with baking soda or vinegar and storing them in the low-humidity fruit drawer in the refrigerator.
Berries won’t guarantee perfect memory or prevent brain disease, but they’re a flavorful, accessible way to support overall health. Make it a habit to reach for berries at your next sugar craving, knowing the potential long-term benefits for the body and brain.