Take Care of Your Heart - Starting Now

We often think of heart health as something to worry about later in life, but emerging research shows that cardiovascular risk factors in early adulthood can also influence brain health decades down the road. Studies tracking thousands of adults over many years have linked elevated blood pressure, high blood sugar, and other heart risk markers in people’s 20s and 30s with poorer cognitive performance later in life.

In large, pooled cohort research, scientists followed over 15,000 adults from age 18 into older age. They found that individuals who had higher levels of systolic blood pressure, fasting glucose (a marker for blood sugar), and body mass index (a measure of weight relative to height) early in adulthood experienced greater declines in memory, thinking skills, and processing speed later in life compared with those with healthier early readings. The associations were strongest for risk factors present in younger adulthood and tended to double the average rate of cognitive decline over time.

Interestingly, while some studies show that cholesterol’s direct link to later cognitive decline is less clear, high blood pressure and elevated blood sugar consistently emerge as significant risk factors for changes in brain structure and function as we age.

What this research highlights is that heart health and brain health are deeply connected. The biological processes that contribute to cognitive aging and slower information processing don’t start suddenly in your 60s, they often begin much earlier in life, when risk factors like hypertension and elevated glucose first develop.

Taking care of your cardiovascular health now, through regular checkups, a balanced diet, exercise, and monitoring of blood pressure and blood sugar, might help protect not just your heart, but your cognitive abilities decades later. Investing in good habits early sets the stage for a healthier mind as you grow older.

Source:

Yaffe K, Vittinghoff E, Pletcher M, et al. Early adult to midlife cardiovascular risk factors and cognitive function. Circulation,129: 1560-1567.