Related Experiment Video
Updated: Jul 11, 2026
10:29
The FlyBar: Administering Alcohol to Flies
Published on: May 19, 2014
Alcohol's interactions with circadian rhythms. A focus on body temperature
J A Wasielewski1, F A Holloway
1Biological Psychology Program, Department of Psychiatry and Behavioral Sciences, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA.
Summary
Alcohol consumption affects the body's internal clock, influencing sensitivity and drinking habits based on circadian timing. Further research is needed to understand alcohol's direct impact on circadian rhythms.
Area of Science:
- Chronopharmacology
- Neuroscience
- Sleep Medicine
Background:
- The interaction between alcohol and circadian rhythms is a growing area of research.
- Understanding this relationship is crucial for developing treatments for alcohol abuse and dependence.
- Existing research suggests alcohol sensitivity and preference fluctuate with circadian timing.
Purpose of the Study:
- To review studies investigating the interaction between alcohol and the body's circadian rhythm.
- To explore how alcohol influences circadian rhythm function, using body temperature as a key indicator.
- To synthesize current findings on alcohol's effects on the central pacemaker controlling circadian rhythms.
Main Methods:
- Review of existing scientific literature on alcohol and circadian rhythms.
- Analysis of studies utilizing body temperature as a biomarker for circadian function.
- Synthesis of evidence regarding alcohol's influence on circadian phase and timing.
Main Results:
- Evidence suggests that alcohol sensitivity and preference for alcohol consumption vary significantly with circadian timing.
- Preliminary findings indicate that alcohol may directly affect the central pacemaker, altering circadian functioning.
- The direct influence of alcohol on circadian phase requires further investigation.
Conclusions:
- Alcohol's impact on the body's internal clock is complex and time-dependent.
- Circadian timing plays a role in alcohol's effects on the body and an individual's drinking behavior.
- Further research is warranted to fully elucidate the mechanisms underlying alcohol-circadian rhythm interactions.
Related Concept Videos
02:19Circadian Rhythms and Gene Regulation
The biological clock is involved in many aspects of regulating complex physiology in all animals. It was in 1935 when German zoologists, Hans Kalmus and Erwin Bünning, discovered the existence of circadian rhythm in Drosophila melanogaster. However, the internal molecular mechanisms behind the circadian clock remained a mystery until 1984, when Jeffrey C. Hall, Michael Rosbash, and Michael W. Young discovered the expression of the Per gene oscillating over a 24-hour cycle. In subsequent years,...
01:28Factors Affecting Body Temperature
As a nurse, it is vital to understand the factors affecting body temperature to monitor variations and effectively evaluate deviations from regular.
Factors may include:
Factors may include:
02:19Circadian Rhythms and Gene Regulation
The biological clock is involved in many aspects of regulating complex physiology in all animals. It was in 1935 when German zoologists, Hans Kalmus and Erwin Bünning, discovered the existence of circadian rhythm in Drosophila melanogaster. However, the internal molecular mechanisms behind the circadian clock remained a mystery until 1984, when Jeffrey C. Hall, Michael Rosbash, and Michael W. Young discovered the expression of the Per gene oscillating over a 24-hour cycle. In subsequent years,...
01:27CNS Depressants: Alcohol and Nicotine
Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
01:19Homeostatic Imbalances in Body Temperature
Hyperthermia occurs when the body's temperature becomes unusually high, often due to heat exposure, intense physical activity, or certain illnesses. This condition can create a dangerous cycle where elevated body temperature increases the metabolic rate, generating more heat and potentially leading to organ failure and brain damage. A severe form of hyperthermia, called heat stroke, can raise body temperature to life-threatening levels. Fever, on the other hand, is a controlled form of...
01:15Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response
Circadian rhythms are cyclic changes that are crucial in plasma drug concentrations. Various standard circadian parameters, including core body temperature, heart rate, and other cardiovascular factors, directly impact disease states and the therapeutic response to drug therapy.
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...