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Circadian Timing News

Jetlag from Work - in the Same Time Zone - dailyRx

2012-05-11

CBC.ca

Jetlag from Work - in the Same Time Zone
dailyRx
Your circadian rhythm, or clock, determines when you naturally feel you need to sleep and when you would naturally wake up and stay awake. "Social jetlag" is the "discrepancy between circadian and social clocks, which results in chronic sleep loss," ...
10 Things You Didn't Know About YouLiveScience.com
'Social jet lag' causing sleep loss tied to obesityGlobalPost

all 81 news articles »

Barley takes a leaf out of reindeer's book in the land of the midnight sun - Phys.Org

2012-05-11

Barley takes a leaf out of reindeer's book in the land of the midnight sun
Phys.Org
Researchers have found a genetic mutation in some Scandinavian barley varieties that disrupts the circadian clock that barley from southern regions use to time their growing season. Just as reindeer have dropped the clock in adapting to extremely long ...

and more »

As oxygen filled the world, life's universal clock began to tick - Discover Magazine (blog)

2012-05-16

Discover Magazine (blog)

As oxygen filled the world, life's universal clock began to tick
Discover Magazine (blog)
These 'circadian rhythms' are the reason we feel sleepy at night, and why our hormones, temperature and hunger levels rise and fall with a 24-hour cycle. They're molecular metronomes that keep the events inside our bodies ticking in time with the world ...

and more »

Crew Schedules, Sleep Deprivation, and Aviation Performance - Science Daily (press release)

2012-04-24

Crew Schedules, Sleep Deprivation, and Aviation Performance
Science Daily (press release)
ScienceDaily (Apr. 24, 2012) — Night-time departures, early morning arrivals, and adjusting to several time zones in a matter of days can rattle circadian rhythms, compromise attention and challenge vigilance. And yet, these are the very conditions ...

and more »

No More Midnight Snacks? Mice That Eat at Odd Hours Get Fat - Discover Magazine (blog)

2012-05-18

Discover Magazine (blog)

No More Midnight Snacks? Mice That Eat at Odd Hours Get Fat
Discover Magazine (blog)
The high-fat, time-restricted diets did not have those problems. This might make sense in light of our circadian rhythms, which are the approximately 24-hour cycles that govern sleep as well as metabolic functions such when the liver secretes bile and ...
Nighttime fasting may foster weight lossLos Angeles Times
Nighttime Eating May Lead to ObesityDiscovery News

all 95 news articles »

Your Best Workout: Timing Is Everything - LifeGoesStrong

2012-05-11

LifeGoesStrong

Your Best Workout: Timing Is Everything
LifeGoesStrong
The best workout time is in the afternoon, not the morning. It's all about circadian rhythms, which govern much more than our sleep and wake cycles. Throughout the 24-hour circadian cycle, there are changes in hormones, blood pressure, body temperature ...


Lack of sleep related to obesity, study says - Oregon Daily Emerald

2012-05-15

Lack of sleep related to obesity, study says
Oregon Daily Emerald
A person's internal clock — called the circadian clock — is set by day and night time. Our bodies want to be awake when it's sunny and be asleep when it's dark. This provides people with the optimal time for getting an adequate amount of sleep.

and more »

Differential roles of breakfast only (one meal per day) and a bigger breakfast ... - 7thSpace Interactive (press release)

2012-05-15

Differential roles of breakfast only (one meal per day) and a bigger breakfast ...
7thSpace Interactive (press release)
Recent studies on humans and rodents have suggested that the timing of food intake plays an important role in circadian regulation and metabolic health. Consumption of high-fat foods during the inactive period or at the end of the awake period results ...


Body clock contributes to obesity, diabetes - The Virtual Medical Centre

2012-05-08

The Virtual Medical Centre

Body clock contributes to obesity, diabetes
The Virtual Medical Centre
The circadian clock is an internal daily body clock that controls alertness, appetite, sleep timing and hormone secretions. Their findings are published in Nature. "Previously we have known that there are body 'clocks' not only in the brain but in most ...


Core component of body's internal clock 'identified' - Business Standard

2012-05-04

Zee News

Core component of body's internal clock 'identified'
Business Standard
The circadian clock is an internal daily body clock that controls alertness, appetite, sleep timing and hormone secretions. People with circadian disturbances tend to have a higher incidence of health concerns such as obesity, diabetes.
Liver`s role vital in regulating body clockZee News

all 24 news articles »

Barley takes a leaf out of reindeer's book in the land of the midnight sun

2012-05-11
( Norwich BioScience Institutes ) Barley grown in Scandinavian countries has adapted like reindeer have to cope with extremes of day length at high latitudes. A genetic mutation in Scandinavian barley varieties disrupts the circadian clock. Just as reindeer have dropped the clock in adapting to extremely long days, so has Scandinavian barley to grow successfully in the short growing season. This ...

Brandeis researchers receive Canadian science prize

2012-05-18
Two neuroscientists from Brandeis University have been awarded a Canadian biomedical research award for their work on the biological clock of fruit flies. The researchers, neuroscience professor Michael Rosbash and emeritus biology professor Jeffrey C. Hall, discovered genes that regulate fruit flies’ circadian rhythms, which regulate sleep and wake cycles as well as other normal bodily ...

Liver's role vital in regulating body clock

2012-05-04
Sydney, May 4 (IANS) Jet setters, shift workers and even obese people stand to gain from a key discovery about the liver playing a vital role in managing the body's internal or circadian clock.

Domestication - it's a matter of time (always is for me, that's my `hammer' for all nails)

2012-05-13
I originally published this post on August 6, 2008 . Since this article came out in The American Scientist in early 1999 (you can read the entire thing here (pdf) ) I have read it many times, I used it in teaching, I discussed it in Journal Clubs, and it is a never-ending fascination for me. [More]

'Social jet lag' causing sleep loss tied to obesity

2012-05-10
A lack of sleep and irregular work patterns have shown to be out of sync with our natural circadian rhythm, possibly causing obesity. read more

Obesity linked to mis-matching meals with body-time clock patterns

2012-05-17
A mismatch between the body’s internal clock and the realities of daily eating habits may contribute to the growing tide of obesity, according to new research from the Weizmann Institute of Science, in Israel. Dr Gad Asher, clinician and medical researcher at the Weizmann Institute of Science in Israel, discussed the research findings today at [...]

Crew schedules, sleep deprivation, and aviation performance

2012-04-24
Night-time departures, early morning arrivals, and adjusting to several time zones in a matter of days can rattle circadian rhythms, compromise attention and challenge vigilance. And yet, these are the very conditions many pilots face as they contend with a technically challenging job in which potentially hundreds of lives are at stake.

No More Midnight Snacks? Mice That Eat at Odd Hours Get Fat | 80beats

2012-05-18
FA=high-fat, ab libitum (eat-at-will) diet, FT=high-fat, time-restricted diet, NA=normal ab libitum (eat-at-will) diet, NT=normal diet, time-restricted Diets tell you what you eat, but a new study suggests when you eat matters too. Of two groups of mice who were fed the same high-fat diet, the mice who could eat around the clock were much heavier than those who had food restricted to eight hours ...

Is Your Alarm Clock Making You Fat?

2012-05-11
In the industrialized world, a conflict between two opposing forces — biology and the alarm clock — is helping to make people fat, new research suggests.

Why social insects do not suffer from ill effects of rotating and night shift work?

2012-05-12
Why social insects do not suffer from ill effects of rotating and night shift work?