Caffeine News and Research

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Caffeine is a bitter substance found in coffee, tea, soft drinks, chocolate, some nuts and certain medicines. It has many effects on the body's metabolism, including stimulating the central nervous system. This can make you more alert and give you a boost of energy.

Study looks at sleep deprived nurses and driving

Hospital staff nurses who work extended hours, work at night, struggle to remain awake at work, or obtain less sleep are more likely to experience a drowsy driving episode, according to a study published in the December 1 issue of the journal SLEEP.

3 Dec 2007

Not enough sleep raises the risk for diabetes

The most common factors believed to contribute to diabetes are a decreased amount of physical activity and access to highly palatable processed foods.

3 Dec 2007

Napping more efficient than coffee in keeping young people awake

Coffee is an effective countermeasure to sleepiness for both young and middle-aged people.

3 Dec 2007

Altered sex hormone levels, higher body temp affects sleep quality in postmenopausal women

In an examination of potential relationships between objective sleep measures, nocturnal sex hormone levels, and the nocturnal course of body temperature of older postmenopausal women, a study published in the December 1, 2007 issue of the journal SLEEP finds that altered levels of both sex hormones and gonadotropins may contribute to sleep disturbance in older postmenopausal women and confirm the results of previous studies indicating that higher body temperature is associated with poorer sleep quality.

2 Dec 2007

Researchers find evidence of mature heart cell potential in embryonic stem cells

In a new study, UC Davis researchers report the first functional evidence that heart cells derived from human embryonic stem cells exhibit one of the most critical properties of mature adult heart cells, an important biological process called excitation-contraction coupling.

27 Nov 2007

Premenopausal women with depression have less bone mass

Premenopausal women with even mild depression have less bone mass than do their nondepressed peers, a study funded in part by the National Institute of Mental Health (NIMH), part of the National Institutes of Health (NIH), shows.

27 Nov 2007

Worrying about your health will just make you sick

According to a newly released survey people are increasingly worried about their own and their family's health. The irony is that the worry itself could be doing significant damage to their health.

19 Nov 2007

High energy drinks may be dangerous for some

A study by researchers in the U.S. has found that for some people high energy drinks may be dangerous.

13 Nov 2007

Energy drinks raise blood pressure

Downing an “energy drink” may boost blood pressure as well as energy, researchers said in a small study presented at the American Heart Association's Scientific Sessions 2007.

6 Nov 2007

Genes play important role in risk for dependence on illicit and licit drugs

The genes that play a role in illegal drug abuse are not entirely the same as those involved in dependence on legal substances like alcohol and nicotine, and caffeine addiction appears to be genetically independent of all the others, according to a study led by Virginia Commonwealth University researchers.

6 Nov 2007

Cocktails of alcohol and energy drinks a dangerous combo

A new study, involving more than 4,000 students, has found that drinking cocktails of alcohol and energy drinks doubles the risk of clubbers getting hurt or being taken advantage of sexually.

6 Nov 2007

Students who consume alcohol mixed with energy drinks twice as likely to be hurt or injured

College students who drink alcohol mixed with so-called "energy" drinks are at dramatically higher risk for injury and other alcohol-related consequences, compared to students who drink alcohol without energy drinks, according to new research from Wake Forest University School of Medicine.

5 Nov 2007

Practice parameters discuss the evaluation, treatment of circadian rhythm sleep disorders

Practice parameters published in the November 1 issue of the journal SLEEP are a guide to the appropriate assessment and treatment of circadian rhythm sleep disorders (CRSDs).

2 Nov 2007

Children with Asperger syndrome have a high prevalence of some sleep disorders

The first known attempt to evaluate the sleep patterns of children with Asperper Syndrome (AS), taking into account sleep architecture and the cyclic alternating pattern (CAP), finds that children with AS have a high prevalence of some sleep disorders and mainly problems related to initiating sleep and sleep restlessness together with morning problems and daytime sleepiness, according to a study published in the November 1 issue of the journal SLEEP.

2 Nov 2007

New stem cells by reprogramming

Researchers are discovering new ways to help ‘de-program' specialised cells so that they can be re-programmed to form a range of different types of tissue, an international meeting of stem cell biologists was told.

18 Oct 2007

Can liver cirrhosis be partially cured?

The diffusion of hepatitis C virus infection worldwide is astonishing. Liver cirrhosis is present in at least 10-20% of these infected patients, with highly increasing health care and emotional costs.

10 Oct 2007

Breast health and cancer prevention tips for women and men

In addition to the bright reds, oranges and yellows seen as the leaves turn this fall, pink will be everywhere during October, which is National Breast Cancer Awareness Month.

2 Oct 2007

Children have more difficulty initiating sleep than maintaining sleep

Children have more difficulty initiating sleep than maintaining sleep.

2 Oct 2007

Caffeine and acetaminophen don't mix well

Consuming large amounts of caffeine while taking acetaminophen, one of the most widely used painkillers in the United States, could potentially cause liver damage, according to a preliminary laboratory study reported in the Oct. 15 print issue of ACS' Chemical Research in Toxicology, a monthly journal.

27 Sep 2007