Navigation Links
Clock-shifts affect risk of heart attack
Date:10/30/2008

Adjusting the clocks to summer time on the last Sunday in March increases the risk of myocardial infarction in the following week. In return, putting the clocks back in the autumn reduces the risk, albeit to a lesser extent. This according to a new Swedish study published in the prestigious New England Journal of Medicine.

Scientists at Karolinska Institutet have examined how the incidence of myocardial infarction in Sweden has changed with the summer and winter clock-shifts since 1987. Their results show that the number of heart attacks, on average, increases by about five per cent during the first week of summer time.

"There's a small increase in risk for the individual, especially during the first three days of the new week," says Dr Imre Janszky, one of the researchers behind the study. "The disruption in the chronobiological rhythms, the loss of one hour's sleep and the resulting sleep disturbance are the probable causes."

The team also observed that the readjustment back to winter time on the last Sunday in October, which gives us an extra hour's sleep, is followed by a reduction in the risk of heart attack on the Monday. The reduction for the whole week is, however, less than the increase related to the summer adjustment.

According to the scientists, the study provides a conceivable explanation for why myocardial infarction is most common on Mondays, as demonstrated by previous research.

"It's always been thought that it's mainly due to an increase in stress ahead of the new working week," says Dr Janszky. "But perhaps it's also got something to do with the sleep disruption caused by the change in diurnal rhythm at the weekend."

Even though the increase and decrease in risk are relatively small for the individual, the team believes that the study can improve our understanding of how disruptions to diurnal rhythms impact on our health.

"Roughly 1.5 billion people are subjected to these
'/>"/>

Contact: Sabina Bossi
sabina.bossi@ki.se
46-852-486-066
Karolinska Institutet
Source:Eurekalert

Page: 1 2

Related medicine news :

1. Cutting Salt Wont Affect Foods Safety
2. A childs IQ could be affected by maternal epilepsy
3. Sexual function affected by stem cell transplant according to long-term study
4. Family history of alcoholism affects response to drug used to treat heavy drinking
5. Obesity Wont Affect Seniors Memory
6. Genetic variation affects smoking cessation treatment
7. Schizophrenia candidate genes affect even healthy individuals
8. R rating might be unlikely to affect teens exposure to smoking in movies
9. Painful condition affecting kidney failure patients increases risk of death
10. Patients perceived cancer care unaffected by lower Medicare reimbursements
11. The Current Recall of Boy Scouts of Americas Plastic Badges Does Not Affect Embroidered Insignia, Badges & Awards Produced by Lion Brothers Company Inc.
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/17/2014)... Meaningful long-term survival is possible for selected ... when treated with cytoreductive surgery with Hyperthermic IntraPeritoneal ... by physicians at Wake Forest Baptist Medical Center. ... single-center experience with cytoreductive surgery and HIPEC, said ... of 20 years, worth of patient data shows ...
(Date:4/17/2014)... shocking rates of suicide are highest in areas with ... smallholdings less than one hectare and trying ... that are highly susceptible to global price fluctuations. , ... that point to a crisis in key areas of ... economy during the 90s. Researchers say that policy intervention ...
(Date:4/17/2014)... Professor Patrick Johnston, whose work has transformed cancer care ... of the European Academy of Cancer Sciences., The Academy, ... body of highly distinguished oncologists and cancer researchers which ... cancer in Europe. , Professor Johnston, whose leadership has ... the bottom of the UK league table to near ...
(Date:4/16/2014)... Consider the marvel of the embryo. It begins as ... as they multiply to become the cells of our lungs, ... body. , Now, in a feat of reverse tissue engineering, ... coding that allows embryonic cells to proliferate and transform into ...
(Date:4/16/2014)... A team that includes scientists from the School of ... San Antonio, Johns Hopkins University and St. Mary,s University reported ... to infect the body. , The fungal pathogen Candida ... and is the most common fungal pathogen to infect humans. ...
Breaking Medicine News(10 mins):Health News:20 years of data shows treatment technique improvement for advanced abdominal cancer 2Health News:New evidence of suicide epidemic among India's 'marginalized' farmers 2Health News:New evidence of suicide epidemic among India's 'marginalized' farmers 3Health News:Stanford scientists develop 'playbook' for reverse engineering tissue 2Health News:Stanford scientists develop 'playbook' for reverse engineering tissue 3
... special events, even though result is technically a loss ... in gambling stimulates a large portion of the win-related ... to gamble, according to British researchers. , They said ... so many people and why some develop a gambling ...
... strategic objectives in 30 states, particularly in the areas ... 11 The state of the economy did not ... $63.6 million in grants at its fourth-quarter board meeting ... million in grants for 2008 as a whole, the ...
... COLUMBIA, S.C., Feb. 11 The Consortium for ... business, academic and economic development organizations intended to ... board and named Lonnie Emard as the interim ... information systems at BlueCross BlueShield of South Carolina, ...
... than 1-in-5 Missouri kids smoke; 8,500 more become ... than one-in-five Missouri kids smoke cigarettes and another ... to a newly-released report that calls on state ... a statewide tobacco prevention program that keeps kids ...
... Commercials Demonstrate Deepening Relationship , Between Edwards and Primary ... kicking off its first year as primary sponsor of ... a big way with the launch of its latest ... slated to air during the national broadcast of the ...
... need answers to questions that loom large when jobs ... risk.A new discussion forum launching this week at ... questions and get straight answers about health insurance, whether ... a job loss."People who lose their jobs don,t have ...
Cached Medicine News:Health News:'Near-Wins' Boost Desire to Keep Gambling 2Health News:Kresge Foundation Meets Economic Downturn Head on, Awarding a Record $63.6 Million in Grants in Fourth Quarter 2008 2Health News:Kresge Foundation Meets Economic Downturn Head on, Awarding a Record $63.6 Million in Grants in Fourth Quarter 2008 3Health News:Kresge Foundation Meets Economic Downturn Head on, Awarding a Record $63.6 Million in Grants in Fourth Quarter 2008 4Health News:Kresge Foundation Meets Economic Downturn Head on, Awarding a Record $63.6 Million in Grants in Fourth Quarter 2008 5Health News:Kresge Foundation Meets Economic Downturn Head on, Awarding a Record $63.6 Million in Grants in Fourth Quarter 2008 6Health News:Kresge Foundation Meets Economic Downturn Head on, Awarding a Record $63.6 Million in Grants in Fourth Quarter 2008 7Health News:Kresge Foundation Meets Economic Downturn Head on, Awarding a Record $63.6 Million in Grants in Fourth Quarter 2008 8Health News:Kresge Foundation Meets Economic Downturn Head on, Awarding a Record $63.6 Million in Grants in Fourth Quarter 2008 9Health News:Kresge Foundation Meets Economic Downturn Head on, Awarding a Record $63.6 Million in Grants in Fourth Quarter 2008 10Health News:S.C.-Based Technology Consortium Names Interim Executive Director and Board 2Health News:S.C.-Based Technology Consortium Names Interim Executive Director and Board 3Health News:New Report Finds Missouri is Falling Behind in Protecting Kids From Tobacco 2Health News:New Ads Provide Glimpse Into Unique Friendship Between Aflac Duck and Carl Edwards 2Health News:New Ads Provide Glimpse Into Unique Friendship Between Aflac Duck and Carl Edwards 3Health News:New Ads Provide Glimpse Into Unique Friendship Between Aflac Duck and Carl Edwards 4Health News:C4CC Education Fund Launches Discussion Forum for Consumers With Health Insurance Questions 2
(Date:1/15/2014)... Mich. , Jan. 15, 2014 As health officials ... flu virus, select Meijer pharmacies in Michigan ... throat to eligible patients, enabling Meijer pharmacists to administer tests ... protocol set by a physician participating in the study. ...
(Date:1/15/2014)... , Jan. 15, 2014  Novation, the leading health ... several new IT value-added reseller (VAR) national contracts that ... goods and services at lower costs. These include manufacturer ... such as initiative assistance and ongoing IT consulting support. ...
(Date:1/15/2014)... , Jan. 15, 2014 Massachusetts General Hospital ... AMGN ) announced today that they have ... validate new therapeutic targets and develop novel therapies ... that affects millions worldwide. The MGH-Broad-Amgen collaboration brings ...
Breaking Medicine Technology:Meijer Pharmacy Offers Free Flu, Strep Testing as Influenza Cases Rise Across the Midwest 2Meijer Pharmacy Offers Free Flu, Strep Testing as Influenza Cases Rise Across the Midwest 3New Novation Information Technology VAR Contracts Offer Significant Savings to Hospitals 2Mass. General, Broad Institute and Amgen Will Work to Discover New Drugs for Inflammatory Bowel Disease 2Mass. General, Broad Institute and Amgen Will Work to Discover New Drugs for Inflammatory Bowel Disease 3Mass. General, Broad Institute and Amgen Will Work to Discover New Drugs for Inflammatory Bowel Disease 4
... 8, 2011 Reportlinker.com announces that a new ... Global Sepsis Therapeutics Industry ... This report analyzes the worldwide markets for ... sales of drugs used in the direct treatment ...
... Anadys Pharmaceuticals, Inc. (Nasdaq: ANDS ) ... (DAA) currently in Phase IIb development for hepatitis C, ... Most Interesting Infectious Disease Projects to Watch. ... Top 10 infectious disease project," said Kevin Eastwood, Anadys, ...
Cached Medicine Technology:Global Sepsis Therapeutics Industry 2Global Sepsis Therapeutics Industry 3Global Sepsis Therapeutics Industry 4Global Sepsis Therapeutics Industry 5Anadys' Setrobuvir Named One of Windhover's Top 10 Most Interesting Infectious Disease Projects to Watch 2Anadys' Setrobuvir Named One of Windhover's Top 10 Most Interesting Infectious Disease Projects to Watch 3Anadys' Setrobuvir Named One of Windhover's Top 10 Most Interesting Infectious Disease Projects to Watch 4
... a national reference laboratory and a worldwide ... ARUP offers an extensive test menu of ... clinical and anatomic pathology. Owned by the ... more than half of the nation's university ...
... ARUP Laboratories is a national reference ... laboratory research and development. ARUP offers an ... unique medical tests in clinical and anatomic ... ARUP Laboratories' clients include more than half ...
... reference laboratory and a worldwide leader in ... an extensive test menu of highly complex ... anatomic pathology. Owned by the University of ... half of the nation's university teaching hospitals ...
... ARUP Laboratories is a national reference ... laboratory research and development. ARUP offers an ... unique medical tests in clinical and anatomic ... ARUP Laboratories' clients include more than half ...
Medicine Products: