July 20, 2012

Heart Attack or Indigestion?

1 Dangers of Self-Diagnosis

Internet searches for symptoms of illness are common - but a new study finds that people who self-diagnose are more likely to think they have a serious illness even though they tend to be more level-headed when diagnosing others. Researchers asked participants to imagine they or someone else had common symptoms such as fever, a cough and a runny nose. They then determined whether they or the other person had contracted the regular flu or H1N1 virus. Participants were much more accurate when it came to diagnosing others and jumped to worst case scenarios when it came to diagnosing themselves. Researchers say this could lead to self-medicating, which may be harmful. "One of the easiest ways to get rid of this bias is to see a real doctor instead of Dr. Google,” say study authors.

More at Eurekalert.org | Posted 5 years ago by Melody Lesser

Previously: Net Surfing May Be Detrimental to Your Health

Tags: Self Diagnosis, Dr. Google, Diagnosing Illness, Self Medication

Comment on This | Was this Interesting? Yes! (37%) / No! (63%)

Flu Is Implicated

2 What Causes Parkinson’s Disease?

Severe flu doubles the risk for Parkinson’s while having had measles as a kid lowers risk by 35% according to a study from the U of Br. Columbia that’s based on interviews with 403 Parkinson’s patients and 405 healthy people. Researchers also found that occupational exposure to vibrations, such as those from construction equipment, decreased the risk for Parkinson’s by 33% while people consistently exposed to high-intensity vibrations, i.e., from snowmobiles, had a higher risk of developing the disease. "There are no cures or prevention programs for Parkinson's, in part because we still don't understand what triggers it in some people and not others," says lead author Anne Harris who adds that this type of “epidemiological detective work is crucial” to finding causes for the disease.

More at ScienceDaily.com | Posted 5 years ago by Melody Lesser

Previously: Genetic Mutation Linked to Parkinson's Understood

Tags: Influenza, University of British Colombia, Parksinson's Disease, Anne Harris, Epidemiology, Exposure to Vibration

Comment on This | Was this Interesting? Yes! (44%) / No! (56%)

Get off Sofa and Live!

3 One in 10 Deaths Caused by Not Exercising

Physical inactivity caused more than 5.3 million deaths worldwide in 2008, say Harvard researchers. Reporting in The Lancet, researchers say that physical inactivity causes one in 10 deaths around the world. Due to findings from the series of studies released in the journal, researchers say that public health officials should look at the situation as a pandemic. The researchers say that being physically inactive caused an increase in deaths from type 2 diabetes, coronary heart disease, and breast and colon cancers. If the rates of physical inactivity were to decline by just 10 to 20 percent around the world, somewhere between a half-million and 1.3 million lives could be spared each year, reports CNN. Increases in physical activity could also raise global life expectancy by nearly a year.

More at CNN | Posted 5 years ago by Peggy Rowland

Previously: The Obese May Be Healthier Than the Skinny, Meditation, Exercise Fights Colds and Flu

Tags: Lack of Exercise, Lancet Journal, Physically Inactive, Harm Not Exercising, Death Causes Worldwide, Why People Die, Lack Exercise Harmful Like Smoking, Not Exercising Bad Smoking, Lancet Exercise Research, Global Life Expectancy

Comment on This | Was this Interesting? Yes! (43%) / No! (57%)

That's Why Fish Are So Perky!

4 Pacific Ocean Contains Caffeine

Caffeine can be found in the Pacific Ocean in waters off the Oregon coast, discovered researchers Zoe Rodriguez del Rey ond Elise Granek of Portland State University. Though researchers expected to find caffeine near wastewater treatment plants and large population centers, they instead found the highest concentrations of caffeine near Carl Washburne State Park and Cape Lookout. Those areas aren't near potential sources of pollution, but researchers think the findings suggest that septic tanks, like those used at the state parks, may not be as great at removing pollution. The presence of caffeine in the waters could also signal other pollution, such as pharmaceuticals. Granek is seeking a grant to further study septic tanks in coastal areas.

More at Eurekalert | Posted 5 years ago by Peggy Rowland

Previously: Breastfeeding Moms Should Shun Caffeine, Caffeine May Treat Dry Eye Syndrome

Tags: Contaminated Water, Ocean Pollution, Washington State University, Portland State University, Zoe Rodriguez Del Rey, Environmental Science and Management, Oregon Sea Grant Program Development Grant, Carl Washburne State Park, Caffeine Ocean

Comment on This | Was this Interesting? Yes! (41%) / No! (59%)

Diagnose Early, Better Treatment

5 Plaques in Eyes, Brain Tie Diabetes to AD

Using models of untreated diabetes, researchers have found that the increased amyloid plaque levels in the hippocampus and brain cortex that are a classic sign of Alzheimer’s disease (AD) are also in the retina. Previous research has linked the most common form of dementia to the disease which prevents the body’s tissue from taking up the glucose for energy. Insulin is critical for memory formation and insulin receptors are present on neurons and disappear when amyloid beta "oligomers" bind to the cells, making them insulin resistant which leads to more amyloid accumulation and insulin resistance. This study gives researchers more insight into AD so better treatments can be designed and shows that a retinal examination may be an effective way to diagnose the disease early.

More at Science Daily | Posted 5 years ago by Kristie Hayes

Previously: Insulin Resistance in Brain Plays Role in AD

Tags: Alzheimer's Disease, Diabetes, Insulin Resistance, Beta Amyloid Plaque, Retina

Comment on This | Was this Interesting? Yes! (44%) / No! (56%)

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