A study by scientists at the University of Copenhagen found that tall children have a higher risk of having a stroke in adulthood than kids who are shorter.
Researchers say the link between height in childhood and stroke risk in adulthood may be attributed to genetics and early-life factors such as nutrition, infections, and socioeconomic environment.
Understanding the Study
In the study, researchers looked at the history of more than 300,000 Danish individuals and measured their height at the ages of 7 to 13 years old. The team then followed these individuals into early adulthood and tracked their stroke rates.
According to their findings, men who were above average height during childhood had a 30% higher risk of suffering a stroke in comparison to men who were shorter. Meanwhile, tall women had an 18% higher risk than shorter women.
What Causes the Increased Risk?
While the link between stroke risk and height in childhood may seem surprising, researchers say the reasons behind the connection can be explained.
For one, taller individuals tend to have larger blood vessels, which in turn may result in increased bodies of circulating blood. With more blood in the circulatory system, there is a greater risk of clots, which can cause a stroke.
In addition to vessel size, taller people often have other physical characteristics that heighten their risk, such as higher cholesterol levels and increased insulin resistance.
These factors can lead to the development of atherosclerosis, the accumulation of fatty substances in the arteries that can lead to narrowing and blockages of blood flow to the brain.
Early-Life Factors
However, the link between height in childhood and stroke risk in adulthood may not be entirely due to physical factors. Genetics may play a role, but the early-life environment and upbringing also have a significant impact.
Childhood nutrition, for instance, can have a substantial impact on overall health later in life, including the risk of stroke.
Additionally, socioeconomic status can influence not only a child’s nutrition but also their access to healthcare and other resources that could be beneficial for long-term health.
Children who grow up in lower-income households may be at a disadvantage when it comes to receiving proper healthcare, including preventative care such as vaccinations that could prevent conditions that increase stroke risk.
What Can Be Done to Reduce Stroke Risk
While height in childhood may be an indicator of stroke risk in adulthood, there are things that individuals can do to mitigate risk. For starters, maintaining a healthy weight is essential, as obesity is a significant risk factor for stroke.
Other lifestyle factors that can reduce risk include eating a balanced diet, getting regular exercise, avoiding smoking and excessive alcohol consumption, and managing stress levels.
Control of existing medical conditions such as high blood pressure and diabetes is also critical to minimize stroke risk.
Conclusion
Height in childhood may seem like an unlikely predictor of stroke risk, but the research suggests that it may indeed play a role.
As with many health conditions, stroke risk is influenced by a combination of genetics and environmental factors, and height can be an indicator of both. However, there are preventive measures that individuals can take to lower their risk, including maintaining a healthy lifestyle and controlling existing medical conditions.