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

Dementia01:30

Dementia

687
Dementia is a collective term for cognitive disorders primarily affecting memory, thinking, and reasoning. It is not a specific disease but a syndrome, with Alzheimer's disease being the most common cause, accounting for approximately 60-80% of cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia. Dementia affects millions worldwide, particularly older adults, though it is not a normal part of aging.
The progression of dementia is generally gradual....
687
Dementia l: Introduction01:22

Dementia l: Introduction

35
Dementia is an acquired, progressive syndrome characterized by a decline in multiple cognitive domains severe enough to impair daily functioning and reduce independence. Although memory loss is a central feature, the diagnosis requires additional deficits involving language, executive function, visuospatial skills, judgment, calculation, or abstract reasoning. These cognitive impairments reflect underlying neurodegenerative or vascular processes that gradually disrupt neuronal networks...
35
Life Histories01:29

Life Histories

16.3K
Overview
16.3K
Depressive Disorders: MDD and Dysthymia01:27

Depressive Disorders: MDD and Dysthymia

1.3K
Depressive disorders are a group of mental health conditions characterized by pervasive feelings of sadness, diminished pleasure in life, and a significant impact on daily functioning. These conditions are most prevalent in individuals during their 30s and affect women at twice the rate of men. Contrary to popular belief, younger individuals are generally more susceptible to these disorders than older adults. Two key types of depressive disorders include Major Depressive Disorder (MDD) and...
1.3K
Huntington Disease l: Introduction01:21

Huntington Disease l: Introduction

110
Huntington disease or HD is a progressive, fatal neurodegenerative disorder inherited in an autosomal dominant pattern.PathophysiologyIt is caused by expansion of the CAG trinucleotide repeat in the HTT gene on chromosome 4 (4p16.3), producing an abnormal huntingtin protein with an expanded polyglutamine tract. This misfolded protein disrupts cellular function, leading to neuronal death. Normal alleles have ≤26 repeats, 27–35 are intermediate (risk of expansion), 36–39 show...
110
Degenerative Disc Disease I: Introduction01:27

Degenerative Disc Disease I: Introduction

29
Degenerative disc disease is a chronic condition in which intervertebral discs gradually lose structure and function. It is not infectious or autoimmune; rather, it results from age-related biochemical and mechanical changes, influenced by genetic, metabolic, and environmental factors.Structure and Function of DiscsThe spine contains 23 intervertebral discs that absorb load, distribute forces, maintain spacing, and allow flexibility. Each disc consists of a nucleus pulposus, a gel-like core...
29

You might also read

Related Articles

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

Sort by
Same author

Use of Dual-Modality Antibody Imaging for Assessment of Lymph Node Metastases in Head and Neck Cancer.

Theranostics·2026
Same author

Does the urinary microbiome reflect the bladder-cancer-associated microbiome? Characterizing the microbiome in urine and cancer tissue in bladder cancer.

Urologic oncology·2026
Same author

An exploratory randomised controlled clinical trial to evaluate the efficacy of an experimental toothpaste in the relief of dentine hypersensitivity.

Journal of dentistry·2025
Same author

Non-FDG-Avid Metastasis Detected by Molecular Imaging in Unknown Primary of the Head and Neck.

The Laryngoscope·2025
Same author

A randomised, controlled, trial investigating the effect of tooth brushing with a sodium bicarbonate toothpaste for 12 weeks compared to a conventional fluoride toothpaste on gingivitis.

Journal of dentistry·2025
Same author

Teen Texting While Driving in Association With All-Driver and Young-Driver Cellphone Laws.

The Journal of adolescent health : official publication of the Society for Adolescent Medicine·2025

Related Experiment Video

Updated: May 2, 2026

Measurement of Lifespan in Drosophila melanogaster
10:00

Measurement of Lifespan in Drosophila melanogaster

Published on: January 7, 2013

34.2K

Do people whose names begin with "D" really die young?

Gary Smith1

  • 1Department of Economics, Pomona College, Claremont, California 91711, USA. gsmith@pomona.edu

Death Studies
|February 26, 2014
PubMed
Summary

The claim that baseball players with first names starting with "D" die young is not supported by valid statistical analysis. More comprehensive data and appropriate statistical methods show no significant link between initials and longevity.

Area of Science:

  • Social Sciences
  • Statistics
  • Sports Science

Background:

  • A previous study suggested a correlation between first names starting with "D" and premature death in professional baseball players.
  • This claim was based on potentially selective data and flawed statistical methods.

Purpose of the Study:

  • To rigorously re-examine the statistical evidence regarding the "D's die young" hypothesis.
  • To investigate whether confounding factors were adequately addressed in the original claim.

Main Methods:

  • A valid statistical test was applied to more comprehensive data from the original study's source.
  • An independent analysis was conducted using a large dataset of California decedents (1960-2004).

Main Results:

More Related Videos

Methods to Test Endocrine Disruption in Drosophila melanogaster
09:43

Methods to Test Endocrine Disruption in Drosophila melanogaster

Published on: July 3, 2019

9.4K
Morphological and Functional Evaluation of Axons and their Synapses during Axon Death in Drosophila melanogaster
10:29

Morphological and Functional Evaluation of Axons and their Synapses during Axon Death in Drosophila melanogaster

Published on: March 16, 2020

8.0K

Related Experiment Videos

Last Updated: May 2, 2026

Measurement of Lifespan in Drosophila melanogaster
10:00

Measurement of Lifespan in Drosophila melanogaster

Published on: January 7, 2013

34.2K
Methods to Test Endocrine Disruption in Drosophila melanogaster
09:43

Methods to Test Endocrine Disruption in Drosophila melanogaster

Published on: July 3, 2019

9.4K
Morphological and Functional Evaluation of Axons and their Synapses during Axon Death in Drosophila melanogaster
10:29

Morphological and Functional Evaluation of Axons and their Synapses during Axon Death in Drosophila melanogaster

Published on: March 16, 2020

8.0K
  • The re-analysis of the baseball player data did not reveal a statistically significant relationship between initials and longevity.
  • The large-scale California decedent data failed to replicate the "D's die young" phenomenon.

Conclusions:

  • The initial claim linking first names starting with "D" to early mortality in baseball players is not statistically substantiated.
  • Confounding variables and appropriate statistical testing are crucial for accurate longevity research.