The effect of high altitude on the growth of children of high socioeconomic status in Bolivia
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
View abstract on PubMed
Summary
This summary is machine-generated.High altitude exposure slightly impacts physical growth in European children in Bolivia, with those living at high altitudes being smaller. However, genetic and environmental factors play a more significant role.
Area Of Science
- Human growth and development
- High-altitude physiology
- Anthropometry
Background
- Children residing at high altitudes may experience altered growth patterns.
- Previous studies on indigenous Andean populations show altitude-related growth differences.
- The impact of high altitude on European children in Bolivia is less understood.
Purpose Of The Study
- To analyze the physical growth of European children in La Paz, Bolivia.
- To determine the effects of high altitude on child growth in this specific population.
- To compare growth patterns with other high and low altitude groups.
Main Methods
- Studied 323 middle to upper-class European children (ages 8-14) at 3200-3600 meters.
- Compared children with varying durations of high-altitude exposure.
- Compared the sample group with other high and low altitude child populations.
Main Results
- Children living permanently at high altitudes were smaller in body size compared to those with less exposure.
- The trend of increased chest dimensions relative to stature with altitude was unclear in this group.
- High-altitude exposure affected growth, but height was comparable to high socioeconomic status Guatemalan children.
Conclusions
- High altitude has a measurable effect on the physical growth of European children in Bolivia.
- Genetic and other environmental factors appear to have a greater influence on growth than altitude in this cohort.
- The study highlights the complex interplay of factors influencing child growth at high altitudes.
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
Related Concept Videos
Microorganisms exhibit diverse oxygen requirements and growth patterns driven by their metabolic strategies and environmental adaptations. Oxygen, while essential for many organisms, can also be toxic under certain conditions, shaping how microorganisms grow and survive.Oxygen Requirements of MicroorganismsMicroorganisms are classified based on their ability to use or tolerate oxygen:● Obligate aerobes like Mycobacterium tuberculosis need oxygen for energy production, as it serves as the...
Many human characteristics, like height, are shaped by both nature—in other words, by our genes—and by nurture, or our environment. For example, chronic stress during childhood inhibits the production of growth hormones and consequently reduces bone growth and height. Scientists estimate that 70-90% of variation in height is due to genetic differences among individuals, and 10-30% of variation in height is due to differences in the environments that individuals experience,...
Respiration is a crucial physiological function involving exchanging oxygen (O2) and carbon dioxide (CO2) between an organism and its environment. Various factors can impact this essential process:
Age: The respiratory rate in newborns ranges from thirty to sixty breaths per minute due to their higher metabolic needs. As individuals age, their metabolic rate typically decreases, which results in a slower respiratory rate.
Exercise or Physical Activity: Physical activity elevates the...
Despite the strong genetic influence on traits like intelligence, environmental factors significantly shape outcomes. For example, while over 90% of height variation is due to genetic differences, environmental factors such as nutrition also have a notable impact. Similarly, for intelligence, changes in a child's surroundings can significantly alter their IQ. Research shows that enriched environments boost children's academic success and help them develop key cognitive skills. Children...
Heritability is a statistical concept that measures the degree to which genetic differences among individuals contribute to trait variations within a population. It is a fundamental idea in genetics, often prone to misinterpretation. Heritability is expressed as a percentage, reflecting the proportion of variation in a specific trait across a population that can be linked to genetic differences. However, it's important to understand that heritability does not determine how "genetic"...
Intelligence is often thought to be linked to brain size, but the relationship is more complex than that. While brain size does correlate modestly with some abilities, like verbal skills, the connection is weaker for others, such as spatial reasoning. Other factors, like brain structure, also play crucial roles. For instance, despite Einstein's smaller-than-average brain, his parietal cortex, which is involved in spatial reasoning, was 15% wider, suggesting that neural density might matter...