Circadian Rhythm News and Research

Latest Circadian Rhythm News and Research

Chemical pathways of serotonin in the nervous system pave way for future pharmaceutical treatments for depression

From mollusks to mammals, newly discovered chemical pathways of serotonin in the nervous system are paving a path toward future pharmaceutical treatments for depression and other disorders.

10 Sep 2004

Experts consider evidence of link between the rise in childhood leukaemia and increased light at night

International experts will today consider the evidence for a link between the rise in childhood leukaemia and increased light at night at an international scientific conference in London.

8 Sep 2004

Conference – Childhood leukaemia: incidence, causal mechanisms and prevention

The advances in treating childhood leukaemia over the last forty years have been one of cancer’s outstanding success stories – but the fall in mortality has diverted attention from a rise in incidence, a London conference will hear today (Monday 6 September).

5 Sep 2004

Circadian rhythm research may lead to greater understanding of jet lag and human diseases

Our biological clock, or circadian rhythm, is upset by travelling across time zones, but very soon the body adjusts to the new day/night cycle.

30 Aug 2004

Enzyme activation key to body clock

Feel like time is repeating itself and won’t move on? It could be your internal clock is backpedaling because your PKG-II is out of whack.

20 Aug 2004

Natural hormone called melatonin may guide our sleep patterns

Our general sleep patterns – being sleepy at night and awake during the day – are guided to a great extent by our exposure to light and darkness.

10 Jul 2004

Seasons may be involved in onset of menopause

Research by Hungarian fertility experts published (Thursday 10 June, 2004) in Europe’s leading reproductive medicine journal Human Reproduction, has revealed that the onset of the menopause may not be dictated only by the fact that a woman’s lifetime supply of eggs are running low, but also by changes in the seasons.

14 Jun 2004

People with extremely early or extremely late sleep times may suffer from Circadian Rhythm Sleep Disorder

You probably know "night owls," those people not ready to fall asleep until the wee hours of the morning. And, you may also know "larks," those early risers who wake before the sun comes up and are ready for bed right after dinner. People with extremely early or extremely late sleep times may suffer from Circadian Rhythm Sleep Disorder (CRSD).

11 Jun 2004

Students win awards for research into liver disease, cancer and insomnia

Targeting a range of diseases and disorders, three University of Houston students won awards at a recent symposium for research in liver disease, cancer and insomnia.

2 Jun 2004

Being tired can be as bad as being drunk when driving

"Being tired can be as bad as being drunk, in terms of its effect upon performance," says safety expert, Dr Ann Williamson, who led the study by the University of NSW Injury Risk Management Research Centre.

1 Jun 2004

Suprachiasmatic nucleus brain tissue sheds light on jet lag

New research led by a University of Washington biologist demonstrates that there are at least two circadian clocks in the mammal brain, one that sticks strictly to an internal schedule and another that can be altered by external influences such as light and dark.

12 May 2004

Small, frequent doses of caffeine best strategy for staying awake

Caffeine is the world's most widely-used stimulant yet, scientists still do not know exactly how it staves off sleep. Researchers at Brigham and Women's Hospital, Harvard Medical School and other institutions have now discovered that caffeine works by thwarting one of two interacting physiological systems that govern the human sleep-wake cycle.

11 May 2004