Tag: "caffeine" at medical news
Products For Weight Loss Or Increased Energy Can Be Deadly, Warn Poison Control Experts
...tains caffeine. "The combination of ephedrine and caffeine
is known to cause increased heartrate and blood pressure, as well as nervousness, insomnia, nausea, andvomiting," said Haller. "Adverse effects related to products that containephedrine have included stroke, heart attack, seizures, and even death."Ol...
Morning Coffee Boosts Blood Pressure, Stress Hormones All Day
...d had higher blood pressureon days when they drank caffeine
compared with days they abstained. The twostress h...9 Societyof Behavioral Medicine. "Moderate caffeine
consumption makes a person react like he or she ishaving a very stressful day," Lane said in an inte...
Coffee: a cause of neonatal seizures?
... blood-brain barrier.On arriving in the brain, the caffeine
binds specifically to neuronal adenosinereceptors....site of memorization processes. In the presence of caffeine
ata concentration equivalent to a few cups of coffee, and in the absence of oxygen(for 3-4 minutes),...
Vegans likely short on calcium, experts say
...viewconcluded, even if people avoid salt, protein, caffeine
and other substancesthat increase calcium loss. Co..., and howother components such as protein, salt or caffeine
influenced the calciumrequirements. The authors concluded, "For most individuals in a Western cultur...
Compounds also present in alcoholic beverages may explain chocolate cravings
...noted. "Other active substances in chocolate, like caffeine
and magnesium, are often suggested as potential contributors to craving," Herraiz said. "Now we can enlarge this list to include [these compounds]." Higher levels of the compounds seem to correlate with the amount of cocoa in a sample, he reported. T...
Study points to potential role for caffeine in reducing the risk of Parkinsons disease
...ssachusetts General Hospital (MGH) have shown that caffeine
is able to prevent the loss of the chemical signal...inactive. The scientists found that the effects of caffeine
were mimicked by several known A2A antagonists as well as by genetic inactivation of the A2A recepto...
Millions of migraine sufferers could benefit from better use of medical care
...nophen, ibuprofen, and pain medications containing caffeine
(such as Excedrin or Anacin). Over-the-counter medications are an appropriate option for many migraine suffers, says study author Richard Lipton, MD, of Albert Einstein College of Medicine, New York. But given the advances in migraine treatment and...
Early promise of simple test for diagnosing malignant hyperthermia
... Germany, proposed that intramuscular injection of caffeine
would increase local carbon dioxide pressure in individuals susceptible to MH. After localised caffeine
stimulation, carbon dioxide pressure was measured in the buttock muscle in 12 patients susceptible t...
Steeped in research: Tea linked to survival after heart attack
...al infarction, he says. The researchers evaluated caffeine
intake from sources other than tea and found no association with the risk of dying during follow up. Several possible mechanisms could explain an association between tea consumption and survival, Mukamal says. A recent randomized trial found that bla...
Study finds a mouse model for episodic neurological disorders
...ia. Common triggers include psychological stress, caffeine
or alcohol ingestion, fatigue, hormonal fluctuatio...e new way to look at triggers of attacks. Stress, caffeine
and alcohol are factors we've all known about for years, but we still haven't figured out why they c...
Rutgers research shows caffeine may prevent skin cancer
...BRUNSWICK/PISCATAWAY, N.J. Treating the skin with caffeine
has been shown to prevent skin cancer in laborator...er stopping the exposures, the researchers applied caffeine
and epigallocatechin gallate (EGCG), two components of green tea, topically to the skin. Both caffe...
Tired medical professionals working long hours may put patients at risk
...Clinicians could easily make more strategic use of caffeine
and take brief naps during their most vulnerable periods -- say between the hours of 2 and 4 a.m. This is when the body's natural sleep cycle can develop an overwhelming demand for rest," he said. Scheduling elective surgery and other high-intensity ...
Coffee addicts at reduced risk of type 2 diabetes?
...lts suggested that components of coffee other than caffeine
could be beneficial for glucose metabolism. In view of the widespread use of coffee and the large health burden of type 2 diabetes, our finding of an inverse association between coffee consumption and risk of type 2 diabetes could have important publ...
New buzz on coffee: It's not the caffeine that raises blood pressure
...e unknown ingredient or ingredients in coffee not caffeine
is responsible for cardiovascular activation, he ...l drinkers' blood pressure. MSA increased in both caffeine
and decaffeinated coffee groups by 29 percent after 30 minutes and 53 percent after 60 minutes, with...
Coffee drinking elevates plasma homocysteine and risk factors for coronary heart disease
...rition, Verhoef et al. investigated the effects of caffeine
alone and in brewed coffee on homocysteine concent...subjects were smokers, who are known to metabolize caffeine
more rapidly than non-smokers. Three treatments, administered in random order for a period of 2 wee...
How a nightcap may hinder rather than help your sleep
...iding napping, and refraining from stimulants like caffeine
in the evening," said Currie. "Many people believe that having a drink will help their sleep," noted Hodgins. "In fact, many physicians will informally suggest the use of alcohol as a sleep aid. However, these findings warn against developing the...
UGA researchers find caffeine reduces muscle pain during exercise
...he August issue of the Journal of Pain, found that caffeine
reduced thigh muscle pain during cycling exercise....cles hurt. Participants in the study took either a caffeine
pill or a placebo pill one hour before the exercise. The riders reported feeling substantially less ...
Annals of Internal Medicine, tip sheet, January 6, 2004
...prevent type 2 diabetes. However, the link between caffeine
and glucose tolerance does warrant further study, the authors say. Kidney Disease May Be Associated with New Metabolic Risk Factors for Heart Disease Traditional risk factors for cardiovascular disease (CVD) include high blood pressure, diabetes an...
Dietary supplements containing ephedra and caffeine may cause heart problems
...ose of a dietary supplement containing ephedra and caffeine
can increase blood pressure and cause changes that... weight-loss supplements often combine ephedra and caffeine
with various other natural ingredients. In the United States, more than 3 billion doses of these he...
Stressed at work? How taking a coffee break might make things worse
...ting theories about stress management suggest that caffeine
consumption can trigger stress. However, while studies into the effects of caffeine
show that it can sometimes worsen anxiety, there is also evidence that it boosts confidence, alertne...