Related Experiment Video
Updated: Jan 31, 2026
15:01
Windowing Chicken Eggs for Developmental Studies
Published on: October 1, 2007
28.7K
Egg Consumption in Relation to Glioma: A Case-Control Study
Azadeh Aminianfar1,2, Mehdi Shayanfar3, Minoo Mohammad-Shirazi3
1a Students' Scientific Research Center, Tehran University of Medical Sciences , Tehran , Iran.
Nutrition and Cancer
|January 1, 2019
Summary
Consuming eggs, particularly around two per week, was linked to a significantly lower risk of glioma, a type of brain tumor. This study suggests a protective association between egg intake and glioma odds in adults.
Area of Science:
- Neuro-oncology
- Nutritional Epidemiology
- Cancer Research
Background:
- Limited data exists on the relationship between egg consumption and brain tumors.
- Glioma is a significant public health concern, necessitating research into modifiable risk factors.
Purpose of the Study:
- To investigate the association between egg consumption and the odds of developing glioma in Iranian adults.
- To explore potential dietary protective factors against glioma.
Main Methods:
- A hospital-based case-control study involving 128 glioma cases and 256 controls.
- Dietary intake, including egg consumption, was assessed using a validated Food Frequency Questionnaire (FFQ).
- Conditional logistic regression analysis was employed to determine the association.
Main Results:
- Individuals in the middle tertile of egg consumption showed a 58% lower likelihood of glioma.
- The highest tertile of egg consumption was associated with a 62% reduced odds of glioma compared to the lowest tertile.
- These inverse associations remained significant after adjusting for multiple confounders.
Conclusions:
- An inverse association was observed between egg consumption (approximately 2 eggs/week) and glioma odds.
- Findings suggest a potential protective role of eggs against glioma.
- Further research is warranted to confirm these findings and elucidate underlying mechanisms.
Related Concept Videos
01:23Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
470
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
470
01:27Bioavailability Study Design: Absolute Versus Relative Bioavailability
340
Bioavailability is a crucial pharmacokinetic parameter that quantifies the proportion of an administered drug that reaches the systemic circulation and is available for therapeutic action. Regulatory agencies mandate the assessment of bioavailability, typically measured as the area under the drug plasma concentration-versus-time curve (AUC), to ensure the efficacy and safety of pharmaceutical products. These evaluations are categorized as absolute and relative bioavailability studies.Absolute...
340
01:12Relative Risk
2.1K
Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
2.1K
01:10Relative Velocity in One Dimension
10.2K
The understanding of the concept of reference frames is essential to discuss relative motion in one or more dimensions. When we say that an object has a certain velocity, we must state the velocity with respect to a given reference frame. In most examples, this reference frame has been Earth. For instance, if a statement reads that a person is sitting in a train moving at 10 m/s east, then it implies that the person on the train is moving relative to the surface of Earth at this velocity,...
10.2K
01:14Relative Frequency Histogram
6.5K
The relative frequency depicts the proportion of data points that have each value. The frequency tells the number of data points that have each value. Like the histogram, a relative frequency histogram also has the same shape with a horizontal scale (the x-axis), but the vertical scale (the y-axis) is marked with relative frequencies (percentages of the whole) instead of actual frequencies. A relative frequency histogram is a graphical representation of a frequency distribution where the...
6.5K
01:11Relative Velocity in Two Dimensions
9.1K
Relative velocity is the velocity of an object as observed from a particular reference frame, or the velocity of one reference frame with respect to another reference frame. The concept of relative velocity can be used to describe motion in two dimensions. Consider a particle P and two reference frames S and S′. The position of the origin of S′ as measured in S is , the position of P as measured in S′ is , and the position of P as measured in S is , which can be evaluated by utilizing...
9.1K