Related Experiment Video
Updated: Jun 11, 2026
09:55
Observation and Quantification of Mating Behavior in the Pinewood Nematode, Bursaphelenchus xylophilus
Published on: December 25, 2016
Priapus is happier with Venus than with Bacchus
Valentina Boddi1, Giovanni Corona, Matteo Monami
1Andrology Unit, Department of Clinical Physiopathology, University of Florence, Florence, Italy.
The Journal of Sexual Medicine
|July 15, 2010
Summary
Severe alcohol consumption is linked to worse erectile function and increased risk of major adverse cardiovascular events (MACEs) in men seeking help for sexual dysfunction. This highlights the significant health impacts of heavy drinking.
Area of Science:
- Urology
- Cardiology
- Endocrinology
Background:
- The link between alcohol intake and erectile function remains unclear.
- Understanding these associations is crucial for patient health.
Purpose of the Study:
- To investigate biological and clinical factors associated with alcohol consumption in men with sexual dysfunction.
- To determine the relationship between alcohol use and major adverse cardiovascular events (MACEs).
Main Methods:
- Retrospective analysis of 1956 men with sexual dysfunction; longitudinal study of 1687 participants.
- Evaluation of clinical, biochemical, penile Doppler ultrasound (PCDU), and psychological (Middlesex Hospital Questionnaire [MHQ]) data.
- Alcohol abuse defined as >3 drinks/day; moderate (4-6 drinks/day), severe (>6 drinks/day).
Main Results:
- Moderate/severe alcohol abuse (18.2% of sample) correlated with lower perceived partner desire, relationship issues, and smoking.
- Alcohol abuse linked to lower prolactin/thyroid-stimulating hormone, higher triglycerides/cholesterol, and reduced penile blood flow.
- Any alcohol abuse independently predicted higher MACE incidence (HR=2.043, P<0.0001) in longitudinal analysis.
Conclusions:
- Severe alcohol consumption in men with erectile dysfunction is associated with poorer sexual function.
- Alcohol abuse is an independent risk factor for major adverse cardiovascular events (MACEs).
- Findings underscore the detrimental effects of alcohol on sexual health and cardiovascular outcomes.
Related Concept Videos
01:12Psychosexual Stages of Personality: Phallic
The third stage of psychosexual development proposed by Freud is the phallic stage, occurring between the ages of 3 and 6. During this period, children become aware of their bodies and the differences between males and females. The erogenous zone in this stage is the genitals, and conflicts arise as children develop desires toward the opposite-sex parent. Boys experience the Oedipus complex, where they desire their mother and view their father as a rival. This leads to castration anxiety, the...
01:23Jealousy in Romantic Relationships
Jealousy is an instinctive yet socially complex emotion that arises when a close relationship is threatened. Its origins lie in both biological imperatives and sociocultural conditioning, making it a multifaceted psychological construct. Although universally experienced, the triggers and expressions of jealousy vary notably between individuals, especially across genders, due to evolutionary pressures and cultural influences.Gender Differences and Evolutionary TheoryEvolutionary theory explains...
01:20Mate Choice
Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes. Mate choice is also called intersexual selection because the behavior occurs between the sexes.
02:40Epiphytes, Parasites, and Carnivores
Plants often form mutualistic relationships with soil-dwelling fungi or bacteria to enhance their roots’ nutrient uptake ability. Root-colonizing fungi (e.g., mycorrhizae) increase a plant’s root surface area, which promotes nutrient absorption. While root-colonizing, nitrogen-fixing bacteria (e.g., rhizobia) convert atmospheric nitrogen (N2) into ammonia (NH3), making nitrogen available to plants for various biological functions. For example, nitrogen is essential for the biosynthesis of the...
01:29Dark Triad and Person Perception
Person perception is influenced by both external behaviors and the observer’s internal characteristics, including personality traits. Individuals with dark personality traits, comprising psychopathy, Machiavellianism, and narcissism — collectively known as the dark triad – exhibit manipulative and exploitative tendencies in social contexts. These traits affect how they perceive others and how they are perceived.The Role of Dark Personality Traits in Person PerceptionBlack et al. (2014) explored...
01:18Veins of the Abdomen and Pelvis
The human body is a complex system of interconnected parts, and the circulatory system plays a crucial role in maintaining overall health. One key component of this system is the inferior vena cava, a large vein responsible for returning blood from the abdominopelvic viscera and abdominal walls to the heart.
The inferior vena cava is fed by numerous smaller veins. The lumbar veins, for instance, drain the posterior abdominal wall, emptying both directly into the inferior vena cava and into the...
The inferior vena cava is fed by numerous smaller veins. The lumbar veins, for instance, drain the posterior abdominal wall, emptying both directly into the inferior vena cava and into the...