Circadian Rhythm

Circadian Rhythm is the regular recurrence, in cycles of about 24 hours, of biological processes or activities, such as sensitivity to drugs and stimuli, hormone secretion, sleeping, feeding, etc. This rhythm seems to be set by a 'biological clock' which seems to be set by recurring daylight and darkness.
How Does the Suprachiasmatic Nucleus (SCN) Control Circadian Rhythm?

Circadian rhythms are biological cycles within organisms that allow them to adjust their physiology and behavior to anticipate and adapt to changes in the outside environment. Circadian rhythms are maintained with the help of circadian clocks, the main circadian clock in mammals is the suprachiasmatic nucleus (SCN).

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Overview

Feature Articles

Latest Circadian Rhythm News and Research

Bright night light exposure increases mortality risk, while daylight reduces it

Bright night light exposure increases mortality risk, while daylight reduces it

Researchers uncover secret to regulating the body's internal clock

Researchers uncover secret to regulating the body's internal clock

Circadian rhythm influences dementia diagnosis and disease progression

Circadian rhythm influences dementia diagnosis and disease progression

Light pollution may elevate Alzheimer's risk

Light pollution may elevate Alzheimer's risk

Reduced heart rate variability linked to higher mortality in people with diabetes

Reduced heart rate variability linked to higher mortality in people with diabetes

Night owls have higher BMI, larger waists and face higher risk of type 2 diabetes

Night owls have higher BMI, larger waists and face higher risk of type 2 diabetes

Regular mobile phone use linked to increased cardiovascular disease risk in smokers and diabetics

Regular mobile phone use linked to increased cardiovascular disease risk in smokers and diabetics

Evening versus morning dosing of antihypertensive medications provides no added benefits

Evening versus morning dosing of antihypertensive medications provides no added benefits

Exploring early detection of Alzheimer's disease through non-cognitive symptoms

Exploring early detection of Alzheimer's disease through non-cognitive symptoms

How diet shapes gut microbiota and affects brain function

How diet shapes gut microbiota and affects brain function

New method determines optimal timing for cancer treatment based on circadian rhythm

New method determines optimal timing for cancer treatment based on circadian rhythm

Irregular sleep and poor REM sleep linked to higher risk of chronic diseases

Irregular sleep and poor REM sleep linked to higher risk of chronic diseases

Exploring the impact of eating timing on health and metabolism

Exploring the impact of eating timing on health and metabolism

Study links circadian rhythm disruption to obesity and diabetes

Study links circadian rhythm disruption to obesity and diabetes

Study links OCD improvement to brain activity shift

Study links OCD improvement to brain activity shift

Novel DNA aptamers of melanopsin developed to regulate circadian rhythm

Novel DNA aptamers of melanopsin developed to regulate circadian rhythm

Disturbances in sleep patterns increase the risk of depression in midlife women

Disturbances in sleep patterns increase the risk of depression in midlife women

Research reveals light's impact on metabolism beyond circadian rhythms

Research reveals light's impact on metabolism beyond circadian rhythms

Social jet lag in mice linked to weight gain and higher blood sugar

Social jet lag in mice linked to weight gain and higher blood sugar

Central and peripheral clock synchronization vital for optimal tissue function

Central and peripheral clock synchronization vital for optimal tissue function

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