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biological clock

This shows the outline of a teen, a clock and a brain.

·February 18, 2025·5 min read

How the Body’s Clock Influences Eating and Weight Gain in Teens

A new study reveals that the body’s internal clock plays a key role in eating behavior, influencing when and how much adolescents eat. Researchers found that teens with overweight or obesity consumed significantly more calories later in the day compared to those with a healthy weight. By isolating circadian influences from environmental and behavioral factors, they confirmed that food intake peaks in the late afternoon and evening regardless of sleep duration or external time cues.

Featured Genetics Neuroscience

·May 9, 2024·4 min read

Turn Back Time: How Our Cells’ Noise Could Unlock Youth

A new study uncovered that aging clocks, which assess biological age, do so by measuring stochastic changes in cellular processes, particularly in DNA methylation. These clocks indicate that biological age, influenced by lifestyle and environmental factors, can deviate significantly from chronological age.

Featured Genetics Neuroscience

·October 7, 2021·4 min read

Scientists Assemble a Biological Clock in a Test Tube to Study How It Works

A reconstituted circadian clock of cyanobacteria can run for consistent days, allowing researchers to study the interactions of the clock proteins in real-time and observe how the clock exerts control over gene expression.

This diagram shows how night shift alters dna and increases cancer risk

Brain Cancer Featured Genetics Neuroscience

·March 8, 2021·6 min read

How Night Shift Work Increases Cancer Risk

Night-shifts destroy the natural 24-hour biological rhythm in the activity of certain cancer-related genes, resulting in more vulnerability to DNA damage and causing a mistiming in the DNA repair mechanisms in shift workers.

This shows a clock and the structure of CK1

Featured Genetics Neuroscience Open Neuroscience Articles

·February 13, 2020·5 min read

Molecular switch mechanism explains how mutations shorten biological clocks

Study reveals how certain genetic mutations can shorten the timing of the circadian clock, making some people extreme "morning larks" because their internal clock operates on a 20-hour cycle, as opposed to a 24-hour cycle.

Featured Neuroscience Psychology

·September 26, 2019·3 min read

Link between stress and circadian clock health revealed

Stress makes the circadian clock tick faster and better.

Featured Neuroscience

·July 9, 2018·4 min read

How Shift Work Disrupts Metabolism

Researchers report metabolic disruptions often seen in shift workers are not influenced by the brain's circadian rhythm, but by peripheral oscillators in the liver, gut and pancreas.

Image shows diagram of circadian rhythm.

Featured Neuroscience

·October 3, 2017·7 min read

2017 Nobel Prize in Physiology or Medicine Awarded to Circadian Rhythm Researchers

Yesterday, the Nobel Assembly at the Karolinska Institute announced the 2017 Nobel Prize for Physiology or Medicine is to be awarded jointly to Jeffrey C. Hall, Michael Rosbash and Michael W. Young for their work unraveling the molecular mechanisms behind circadian rhythm.

Featured Neuroscience

·February 29, 2016·2 min read

Biological Clocks Orchestrate Behavioral Rhythms by Sending Signals Downstream

A new study report different groups of neurons program our circadian clocks to orchestrate behavior by sending messages in a unidirectional manner downstream.