Cerebral anemia, characterized by reduced blood flow to the brain, deprives brain cells of essential oxygen and nutrients. This deficiency can damage brain cells and lead to serious complications. Common symptoms include dizziness, headaches, tinnitus, and numbness in the hands and feet.

According to Master, Doctor Nguyen Anh Duy Tung, a specialist in nutrition and dietetics at Tam Anh General Clinic District 7, cerebral anemia can be prevented and managed with medical guidance. Patients should adopt lifestyle changes and a healthy diet. The following beverages should be consumed in moderation or avoided:

Tea, coffee

Green and black teas contain tannic acid, which binds with iron in the body, creating compounds difficult to absorb. This can exacerbate anemia. Even small amounts of caffeine in tea can impair sleep quality. Individuals with cerebral anemia should limit themselves to a maximum of one to two cups of weak tea daily and avoid drinking it immediately after meals.

Coffee, with its high caffeine content, elevates heart rate and blood pressure. This can constrict cerebral blood vessels, reducing blood flow and intensifying headaches and dizziness. Furthermore, caffeine hinders iron absorption, impeding hemoglobin production—the vital component in red blood cells that transports oxygen to the brain. Patients should limit their daily caffeine intake to under 200 mg.

Alcohol

Alcohol impacts the smooth muscles in blood vessel walls, leading to excessive vasodilation. This can result in a drop in blood pressure and diminished blood supply to the brain. Alcohol also suppresses antidiuretic hormone (ADH) activity, causing dehydration and reducing the blood's oxygen-carrying capacity, thus aggravating cerebral anemia.

Energy drinks, soft drinks

Soft drinks, carbonated beverages, and energy drinks often contain high amounts of refined sugars, such as sucrose and fructose syrup. These sugars rapidly elevate blood sugar levels, leading to temporary blood pressure fluctuations. Consequently, individuals may experience dizziness and headaches.

Frequent consumption of these beverages also elevates the risk of metabolic disorders, obesity, dyslipidemia, and blood clot formation, which can impede cerebral blood circulation. Certain energy drinks contain stimulants like caffeine and taurine that can negatively affect red blood cell production, cause rapid heartbeats, and disrupt sleep.

Doctor Duy Tung recommends that individuals with cerebral anemia increase their intake of iron-rich foods to support hemoglobin production and supplement with vitamin C for enhanced iron absorption. They should also prioritize healthy fats from vegetable oils and consume whole grains to support cardiovascular health and regulate blood sugar. Limiting red meat and opting for eggs, beans, and seafood is also advised.

Patients should avoid sudden changes in posture, particularly when rising from a sitting or lying position, to prevent lightheadedness and dizziness. Engaging in gentle exercise for at least 30 minutes daily, such as walking, swimming, or yoga, and ensuring at least 7 hours of sleep each night will aid bodily recovery and maintain brain health.

Depending on the underlying cause of cerebral anemia, doctors may prescribe suitable medication. Patients should undergo regular check-ups at a hospital at least two times annually to monitor their condition. Additionally, natural extracts from blueberry and ginkgo biloba may help combat free radicals and support cerebral blood circulation.

Quoc An