Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Bioavailability Study Design: Single Versus Multiple Dose Studies01:11

Bioavailability Study Design: Single Versus Multiple Dose Studies

200
Bioavailability studies are essential for understanding how a drug is absorbed, distributed, metabolized, and excreted in the body. These studies assess the extent and rate at which the active pharmaceutical agent becomes available at the site of action. The design of bioavailability studies can involve single-dose or multiple-dose regimens, each with distinct advantages and limitations.Single-dose studies are the preferred approach due to their simplicity and reduced drug exposure for...
200
Lipids: Dietary Sources and Requirements01:18

Lipids: Dietary Sources and Requirements

1.8K
Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ...
1.8K
Study Designs in Epidemiology01:20

Study Designs in Epidemiology

876
Epidemiological study designs are fundamental tools for investigating the distribution, determinants, and control of health conditions in populations. They help researchers understand the relationships between exposures and outcomes, and they broadly fall into two categories: "observational" and "experimental" studies.
Observational studies are those where the researcher does not intervene but rather observes natural variations. They include cross-sectional, cohort, and...
876
Bioavailability Study Design: Healthy Subjects Versus Patients01:15

Bioavailability Study Design: Healthy Subjects Versus Patients

143
Bioavailability studies are essential for evaluating a drug's therapeutic efficacy and understanding its absorption patterns under various physiological conditions. Conducting such studies on target patient populations provides more relevant data by simulating real-world disease states. However, practical challenges often necessitate the use of young, healthy adult volunteers as study subjects.Patients may exhibit altered drug absorption patterns due to the effects of the disease itself,...
143
Environmental Influences on Intelligence01:29

Environmental Influences on Intelligence

874
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...
874
Dose-Response Relationship: Overview01:03

Dose-Response Relationship: Overview

4.8K
Agonists can bind with and activate receptors, resulting in the formation of drug-receptor complexes. Once formed, these complexes catalyze many biochemical processes at the cellular level and subsequently induce a pharmacologic response. The degree of response is directly proportional to the fraction of activated receptors, which in turn, depends on the concentration of the drug at the receptor site as well as the sensitivity of the receptor. An increase in the administered dose contributes to...
4.8K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Overexpression of the EfMYB124 gene from Erianthus fulvus enhances tolerance to low temperature and drought in Arabidopsis thaliana.

BMC plant biology·2026
Same author

Association of Pain Intensity and Sensitivity with Childhood Trauma in Adolescents with Depressive Disorder: A Multicenter Study.

Psychology research and behavior management·2026
Same author

Environmental Toxins and its Potential Influence on the Imbalance of Sex Hormone Homeostasis in Children and Adolescents.

Phenomics (Cham, Switzerland)·2026
Same author

Do maternal and neonatal outcomes differ with single or twin pregnancies affected by hypertensive disorders? A systematic review and meta-analysis.

The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·2026
Same author

Alexithymia is associated with higher pain ratings and greater pressure pain tolerance in adolescents with major depressive disorder: Evidence consistent with sensory-affective dissociation.

Journal of psychosomatic research·2026
Same author

Pp6-Pfkfb1 axis modulates intracellular bacterial proliferation by orchestrating host-pathogen metabolic crosstalk.

PLoS pathogens·2025

Related Experiment Video

Updated: Jan 13, 2026

Author Spotlight: Studying the Impact of Maternal Dietary Deficiencies on Long-Term Offspring Health Outcomes
03:19

Author Spotlight: Studying the Impact of Maternal Dietary Deficiencies on Long-Term Offspring Health Outcomes

Published on: June 28, 2024

719

Egg Consumption and Cognitive Function: A Systematic Review and Dose-Response Pooled Analysis Exploring Optimal Daily

Jieyu Liu1, Qingqing Shen2, Xinxin Wang2

  • 1Institute of Child and Adolescent Health, School of Public Health, Peking University, Beijing, China.

Journal of Human Nutrition and Dietetics : the Official Journal of the British Dietetic Association
|January 6, 2026
PubMed
Summary

Consuming about one egg daily (50-60g) is linked to a reduced risk of cognitive decline. This finding suggests eggs may support healthy brain function in older adults.

Keywords:
Egg consumptioncognitionmeta‐analysissystematic review

More Related Videos

Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants
07:08

Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants

Published on: March 6, 2018

6.5K
Human Egg Maturity Assessment and Its Clinical Application
08:51

Human Egg Maturity Assessment and Its Clinical Application

Published on: August 19, 2019

20.1K

Related Experiment Videos

Last Updated: Jan 13, 2026

Author Spotlight: Studying the Impact of Maternal Dietary Deficiencies on Long-Term Offspring Health Outcomes
03:19

Author Spotlight: Studying the Impact of Maternal Dietary Deficiencies on Long-Term Offspring Health Outcomes

Published on: June 28, 2024

719
Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants
07:08

Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants

Published on: March 6, 2018

6.5K
Human Egg Maturity Assessment and Its Clinical Application
08:51

Human Egg Maturity Assessment and Its Clinical Application

Published on: August 19, 2019

20.1K

Area of Science:

  • Nutritional Epidemiology
  • Gerontology
  • Cognitive Science

Background:

  • Eggs are a rich source of protein and essential micronutrients.
  • Previous research on egg intake and cognitive function yields inconclusive results.
  • A comprehensive pooled analysis on this topic was lacking.

Purpose of the Study:

  • To conduct a systematic review and meta-analysis on the association between egg consumption and cognitive function.
  • To investigate dose-response relationships and identify optimal intake levels for cognitive health.

Main Methods:

  • Searched multiple databases (EMBASE, PubMed, MEDLINE, Web of Science, Scopus) up to November 2025.
  • Performed random-effects meta-analysis to calculate pooled risk ratios (RRs).
  • Utilized subgroup, meta-regression, sensitivity, and Egger's tests to assess heterogeneity, bias, and dose-response effects.

Main Results:

  • Included 13 longitudinal and 8 cross-sectional studies with 99,453 participants.
  • Found that egg consumption around 50 g/day was associated with a lower risk of cognitive decline (pooled RR = 0.91).
  • Observed a 'U-shaped' dose-response relationship, with lowest risks at 50-60 g/day, consistent across subgroups.

Conclusions:

  • Daily intake of one egg (50-60 g) may be beneficial for maintaining cognitive function in the elderly.
  • Egg consumption could serve as a dietary intervention to mitigate cognitive decline.
  • The findings support the role of eggs in promoting brain health in aging populations.