Showing posts with label johns hopkins. Show all posts
Showing posts with label johns hopkins. Show all posts

Wednesday, March 18, 2009

Research Finds Popular Household Pets Transmit Dangerous Parasites to Humans

/PRNewswire/ -- A study by the Stanley Medical Research Institute and Johns Hopkins University Medical Center links Toxoplasma, a cat-borne parasite, to neurotic behavior in infected men and women. Between 25 and 50 percent of the world's human population - and 30 percent of the U.S. population - may be infected.

Toxoplasma eggs are shed in an infected cat's feces and then passed to humans when changing cat litter, gardening and petting.

In 2000, studies revealed Toxoplasma takes over the brain's main fear center in infected rats, making them fearless of their predators.

There are over 100 types of parasites. In addition to cats, sources include insects, blood transfusions, and contaminated foods, including undercooked meats, and fruits and vegetables improperly washed.

Dr. Frank Nova, Chief of the Laboratory for Parasitic Diseases of the National Institute of Health, warns, "In terms of numbers there are more parasitic infections acquired in this country than in Africa." Why? Zoltan P. Rona, MD, author of numerous health books, says, "because of increased international travel, contamination of the water supply and the overuse of chemicals, mercury and prescription antibiotics."

Parasites range in size from microscopic to several feet long, but regardless of size, parasites can cause illness and death. To stay healthy and avoid infection cook food well, thoroughly wash all fruits and vegetables, and wash your hands frequently.

Dr. Clark Store provides a hand sanitizer spray that helps eliminate bacteria from hands and under fingernails. Hand sanitation is essential after changing a diaper, working in the garden, after bathroom use, and before meals. The spray can also be used to sterilize kitchen countertops.

They also sell Food Sanitizer, an iodine solution that when mixed with water creates a Food Sanitation Solution; it can also be used as a food supplement.

Dr. Clark Store produces herbal cleanses, sanitation and personal care products that meet the requirements set forth in Hulda Clark, Ph.D.'s public research.

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Friday, September 26, 2008

Hopkins Experts: Call for Warning Labels on Energy Drinks about Caffeine

TT Note: This just brings the subject up to the surface. Are energy drinks "spunky" due to the caffeine levels? Thoughts to ponder.

Johns Hopkins scientists who have spent decades researching the effects of caffeine report that a slew of caffeinated energy drinks now on the market should carry prominent labels that note caffeine doses and warn of potential health risks for consumers.

"The caffeine content of energy drinks varies over a 10-fold range, with some containing the equivalent of 14 cans of Coca-Cola, yet the caffeine amounts are often unlabeled and few include warnings about the potential health risks of caffeine intoxication," says Roland Griffiths, Ph.D., one of the authors of the article that appears in the journal Drug and Alcohol Dependence this month.

The market for these drinks stands at an estimated $5.4 billion in the United States and is expanding at a rate of 55 percent annually. Advertising campaigns, which principally target teens and young adults, promote the performance-enhancing and stimulant effects of energy drinks and appear to glorify drug use.

Without adequate, prominent labeling; consumers most likely won't realize whether they are getting a little or a lot of caffeine. "It's like drinking a serving of an alcoholic beverage and not knowing if its beer or scotch," says Griffiths.

Caffeine intoxication, a recognized clinical syndrome included in the Diagnostic and Statistical Manual of Mental Disorders and the World Health Organization's International Classification of Diseases, is marked by nervousness, anxiety, restlessness, insomnia, gastrointestinal upset, tremors, rapid heartbeats (tachycardia), psychomotor agitation (restlessness and pacing) and in rare cases, death.

Reports to U.S. poison control centers of caffeine abuse showed bad reactions to the energy drinks. In a 2007 survey of 496 college students, 51 percent reported consuming at least one energy drink during the last month. Of these energy drink users, 29 percent reported "weekly jolt and crash episodes," and 19 percent reported heart palpitations from drinking energy drinks. This same survey revealed that 27 percent of the students surveyed said they mixed energy drinks and alcohol at least once in the past month. "Alcohol adds another level of danger," says Griffiths, "because caffeine in high doses can give users a false sense of alertness that provides incentive to drive a car or in other ways put themselves in danger."

A regular 12-ounce cola drink has about 35 milligrams of caffeine, and a 6-ounce cup of brewed coffee has 80 to 150 milligrams of caffeine. Because many energy drinks are marketed as "dietary supplements," the limit that the Food and Drug Administration requires on the caffeine content of soft drinks (71 milligrams per 12-ounce can) does not apply. The caffeine content of energy drinks varies from 50 to more than 500 milligrams.

"It's notable that over-the-counter caffeine-containing products require warning labels, yet energy drinks do not," says Chad Reissig, Ph.D., one of the study's authors.

Griffiths notes that most of the drinks advertise their products as performance enhancers and stimulants - a marketing strategy that may put young people at risk for abusing even stronger stimulants such as the prescription drugs amphetamine and methylphenidate (Ritalin). A 2008 study of 1,253 college students found that energy drink consumption significantly predicted subsequent non-medical prescription stimulant use, raising the concern that energy drinks might serve as "gateway" products to more serious drugs of abuse. Potentially feeding that "transition" market, Griffiths says, are other energy drinks with alluring names such as the powdered energy drink additive "Blow" (which is sold in "vials" and resembles cocaine powder) and the "Cocaine" energy drink. Both of these products use the language of the illegal drug trade.

Griffiths and colleagues are currently collecting case reports of intoxication from energy drinks in children and adolescents. If readers are interested in learning more, go to http://www.bpru.org/energydrinks/ .

Eric C Strain, M.D., from Johns Hopkins also contributed to this study.

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