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A lack of essential vitamins may be doing more than just affecting your physical health—it could also increase the risk of dementia, a condition that impacts memory, thinking, and daily functioning. A recent study by the Indian Council of Medical Research–National Institute of Nutrition (ICMR-NIN) has highlighted a concerning connection between nutrient deficiencies and declining brain health among Indians.

Dementia Cases Rising at Younger Ages

Researchers have observed a growing number of dementia cases in India, with some people developing symptoms earlier than expected. While aging remains a major risk factor, experts say poor nutrition may also play a significant role in increasing vulnerability to the disease.

According to the study, deficiencies in vitamins B12, B6, B2, and D may negatively affect brain function and contribute to cognitive decline over time.

What Is Dementia?

Dementia is a neurological condition that affects memory, reasoning, behavior, and the ability to perform everyday tasks. People with dementia may experience forgetfulness, difficulty concentrating, mood changes, and challenges in completing routine activities.

Although it is commonly associated with older adults, lifestyle and health-related factors can influence when and how the disease develops.

What Did the Study Find?

Published in The Lancet Regional Health – South East Asia, the research examined 570 participants aged 40 to 80 from both urban and rural areas of Telangana. Scientists evaluated their cognitive health, dietary habits, and blood vitamin levels to better understand the relationship between nutrition and dementia risk.

The findings revealed that nearly 40 percent of participants showed an increased risk of developing dementia. Those at greater risk were more likely to have low levels of vitamins D, B2, B6, and B12.

Researchers also found that unhealthy eating patterns, including diets high in saturated fats and low in nutrient-rich foods, were associated with poorer cognitive health.

Healthy Diet Linked to Better Brain Function

Participants who regularly consumed fruits, vegetables, and foods rich in essential micronutrients were found to have a lower risk of dementia. The study suggests that maintaining a balanced diet may help support long-term brain health and cognitive function.

Genetics Matter, But Lifestyle Plays a Key Role

Experts note that genetics can influence dementia risk, but lifestyle choices remain crucial. Managing conditions such as diabetes, obesity, and high blood pressure, along with avoiding smoking and staying physically active, may help protect brain health.

While researchers caution that vitamin deficiencies alone cannot be blamed as the sole cause of dementia, they believe nutrition is an important factor that should not be overlooked.

Prevention Starts Early

With dementia cases in India expected to rise significantly by 2050, experts stress the importance of preventive measures. A nutrient-rich diet, regular exercise, routine health check-ups, and adequate intake of essential vitamins and minerals can all contribute to maintaining a healthy brain as people age.

The message from researchers is clear: paying attention to your nutritional health today may help safeguard your cognitive health in the years ahead.