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Pesticides ‘linked to Parkinson’s’

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Pesticides ‘linked to Parkinson’s’

A pesticide is a substance or mixture of substances used to kill a pest.[1] A pesticide is any substance or mixture of substance intended for: – preventing, destroying, repelling or mitigating any pest.[2] A pesticide may be a chemical substance, biological agent (such as a virus or bacteria), antimicrobial, disinfectant or device used against any pest. Pests include insects, plant pathogens, weeds, molluscs, birds, mammals, fish, nematodes (roundworms), microbes and people that destroy property, spread or are a vector for disease or cause a nuisance. Although there are benefits to the use of pesticides, there are also drawbacks, such as potential toxicity to humans and other animals.

2,4-Dichlorophenoxyacetic acid – known as 2,4-D – used to kill a range of weeds

Permethrin – used in pest control, including ant powder and flea killer. Sprayed on tents and nets to repel mosquitoes

Paraquat – weedkiller used on a range of crops including potatoes. Banned for use in Europe since 2007

Dieldrin – pesticide, banned for use in Europe

Diquat – general weedkiller

Maneb – kills fungus, used to protect potatoes, tomatoes and other crops

Mancozeb – also kills fungus, used to protect potatoes among other crops

Rotenone – used to eradicate unwanted fish species as well as other pests

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Cell Phone Cancer

Myth: Cell phones cause brain cancer

Lawsuits and news headlines have fueled the myth that cell phones cause cancer, particularly brain cancer, and 30 percent of Americans still believe this myth, according to the Discovery Health/Prevention telephone survey. Consumers could easily have missed the reports showing no danger from cell phones because they didn’t receive alarming front-page coverage like the original reports. A few studies suggested a link with certain rare types of brain tumors, but the consensus among well-designed population studies is that there is no consistent association between cell phone use and brain cancer. [Source]

Interesting Fact:The very first patent for a cell phone like device (wireless telephone) was granted in 1908 to Nathan B. Stubblefield who some people claim invented the radio before Tesla and Marconi. Stubblefield died as a self-imposed hermit by starving to death.

Exercise beats angioplasty for some heart patients

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Exercise beats angioplasty for some heart patients

Working up a sweat may be even better than angioplasty for some heart patients, experts say.

Studies have shown heart patients benefit from exercise, and some have even shown it works better than surgical procedures. At a meeting of the European Society of Cardiology on Sunday, several experts said doctors should focus more on persuading their patients to exercise rather than simply doing angioplasties.

Angioplasty is the top treatment for people having a heart attack or hospitalized with worsening symptoms. It involves using a tiny balloon to flatten a blockage and propping the heart artery open with a mesh tube called a stent. Most angioplasties are done on a nonemergency basis, to relieve chest pain caused by clogged arteries cutting off the heart’s blood supply.

“It’s difficult to convince people to exercise instead of having an angioplasty, but it works,” said Rainer Hambrecht of Klinikum Links der Weser in Bremen, Germany.

Hambrecht published a study in 2004 that found that nearly 90 percent of heart patients who rode bikes regularly were free of heart problems one year after they started their exercise regimen. Among patients who had an angioplasty instead, only 70 percent were problem-free after a year.

Hambrecht is now conducting a similar trial, which he expects to confirm his initial findings: that for some heart patients, exercise is more effective than a surgical procedure.

Other experts agreed that would likely be the case.

An angioplasty “only opens up one vessel blockage,” said Dr. Christopher Cannon, an associate professor of medicine at Harvard University and spokesman for the American College of Cardiology. He was not linked to Hambrecht’s research. “Exercise does a lot more than fixing one little problem.”

Among other benefits, exercise lowers bad cholesterol while raising good cholesterol, helps the body process sugar better, improves the lining of the blood vessels and gets rid of waste material faster. Exercise also lowers blood pressure and prevents plaque buildup in the arteries.

Previous research has estimated one third of heart disease and stroke could be prevented if patients did two-and-a-half hours of brisk walking every week. In the U.S., that would mean 280,000 fewer heart-related deaths every year.

Joep Perk, a professor of health sciences at Sweden’s Kalmar University and spokesman for the European Society of Cardiology, said two thirds of heart patients in line for an angioplasty could probably get better benefits by regularly working up a sweat.

Experts say less than 20 percent of heart patients get the recommended amount of exercise — about 30 minutes of moderate activity five times a week.

Perk said doctors who performed angioplasties on their patients without asking them to change their lifestyles were ignoring the fundamental problem. “It would be like getting rid of the most troubled rust spots on a car without doing anything to stop more rust from appearing tomorrow.”

Still, doctors admitted that persuading patients to exercise instead of simply going in for an angioplasty, which can take less than a day, would be a tough sell.

“Most patients want the quick fix,” Cannon said. Exercise may improve patients’ hearts better than an angioplasty, but it may also take months or even longer for patients to feel the benefits. “It’s a lot easier to get your artery fixed than it is to exercise every day.”

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