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.

Researchers have found a way to keep students awake during class

Whether it's triggered by the monotone of an instructor or insufficient rest the night before, students at all ages and grade levels sometimes have trouble staying awake in class.

26 Sep 2005

Two common weight loss supplements promoted as ephedra-free and safe for dieters caused increased heart rate among healthy people

...and could have harmful health effects in some people, according to a study by University of California - San Francisco (UCSF) scientists. Their placebo-controlled clinical study is the first to examine the pharmacological effects of these re-formulated dietary supplements.

10 Sep 2005

Scientific panel aims to reduce incidence of heat illnesses, heat stroke during preseason practices for high school players

New guidelines from the American College of Sports Medicine (ACSM) emphasize fluid replacement and acclimatization to the heat, as well as practice uniform and other modifications in order to reduce the risk for heat exhaustion and exertional heat stroke in young football players.

30 Aug 2005

New drug CX717 can temporarily improve performance and reverse the effects of sleep deprivation

Research in monkeys suggests that a new drug can temporarily improve performance and reverse the effects of sleep deprivation on the brain, which would be a breakthrough in helping shift workers, health professionals, military personnel and others who must function at top performance in spite of sleep deficits.

23 Aug 2005

U.S. beverage industry praised for helping in childhood obesity battle

The American Beverage Association (ABA) has approved a policy aimed at limiting the sale of soft drinks in school vending machines as the nation fights obesity.

17 Aug 2005

Greatest challenge for parents is the balance between homework, sports, music and sleep

"It is important for parents to identify the sleep needs of their children especially as they prepare for another school year," says Dr. Kohler. "Getting kids in school sleep mode can take time and sleep needs for teens are different from elementary school children."

16 Aug 2005

Athletes boosted by caffeine

Scientists at the University of Birmingham say that caffeine can help athletes by boosting the body's absorption of carbohydrates.

23 Jun 2005

Patients who need PET/CT scans should avoid drinking coffee

Patients who need a positron emission tomography (PET)/computed tomography (CT) procedure to evaluate known or suspected malignancies should lay off the java, according to research by Medhat M. Osman, M.D., Ph.D., assistant professor in the department of internal medicine's division of nuclear medicine and director of PET at Saint Louis University Hospital.

20 Jun 2005

Excessive sleepiness in adolescents may indicate more than just lack of sleep

A new technical report from the American Academy of Pediatrics (AAP) and the National Center on Sleep Disorders Research (National Heart, Lung, and Blood Institute, NIH) says that although sleepiness is rather common in this age group, pediatricians should pay special attention to patients who exhibit evidence of excessive sleepiness because it could indicate an underlying medical or mental health condition.

9 Jun 2005

Detox diets unsound science and do not work

Scientists say there is no proof that Detox diets work and they do no more to rid the body of toxins than the body's own natural system.

8 Jun 2005

Researchers zero in on sleep gene

Zeroing in on the core cellular mechanisms of sleep, researchers at University of Wisconsin Medical School have identified for the first time a single gene mutation that has a powerful effect on the amount of time fruit flies sleep.

27 Apr 2005

Green tea appears to prevent cancer in men

After a year's oral administration of green tea catechins (GTCs), only one man in a group of 32 at high risk for prostate cancer developed the disease, compared to nine out of 30 in a control, according to a team of Italian researchers from the University of Parma and University of Modena and Reggio Emilia led by Saverio Bettuzzi, Ph.D.

20 Apr 2005

Why people get drowsy and fall asleep, and how caffeine blocks that process

When cells in a certain part of the brain become overworked, a compound in the brain kicks in, telling them to shut down. This causes people to become drowsy and fall asleep. Alter that natural process by adding coffee or tea, and the brain compound – called adenosine – is blocked, and people stay awake.

20 Apr 2005

Soft music at bedtime will help older adults sleep better and longer

Sleep, a vital ingredient in life, can sometimes become difficult as humans get older. But a recent study by researchers at Case Western Reserve University's Frances Payne Bolton School of Nursing and the Buddhist Tzu-Chi General Hospital in Taiwan shows that listening to soft music at bedtime will help older adults sleep better and longer.

6 Apr 2005

Contrary to common wisdom, sleeping pills may not increase fall risk

In nursing homes across the country, elderly people with insomnia often go untreated, because of the perception that sleeping pills increase the risk of falls and injuries that are a bane of old age.

6 Apr 2005

Depression appears to be a major cause of insomnia in people with HIV

Patients in the last stages of HIV infection with full-blown AIDS and those who have suffered some kind of brain impairment as a result of the disease are also more likely to suffer from insomnia, the reviewers conclude in the current issue of Psychosomatic Medicine.

22 Mar 2005

Early diagnosis and treatment is important for children and adolescents with bipolar disorder

"These new guidelines were formulated by a group of leading experts in child psychiatry and are the most up-to-date and comprehensive set of guidelines for the treatment of children and adolescents with bipolar disorder," said Dr. Kowatch. "They represent a major step towards practicing evidence-based medicine in this difficult to treat group of patients.

22 Feb 2005

Coffee consumption may be associated with a decreased risk of hepatocellular carcinoma

Two new studies in the February 16 issue of the Journal of the National Cancer Institute examine the effects of coffee consumption on the incidence of liver and colorectal cancers. One study found that drinking coffee daily is associated with a decreased risk of liver cancer, while the other found no association between drinking coffee or tea and the risk of colorectal cancer.

15 Feb 2005

Green tea boosts exercise endurance

Now that even baseball players may need to seek new, more natural performance aids, will Japanese green tea sets become standard in dugouts and athletic training tables around the world?

8 Feb 2005

Sleep is the remedy for a bad day at work

A good night's sleep may be the remedy for a bad day at work, suggests a new University of Florida study on the unexplored relationship between job satisfaction and the shifting moods of employees.

2 Dec 2004