mental health

5 cups of coffee a day can lead to hallucinations--study

Are your ears playing tricks on you? You may be having too much of coffee, warns a new study that links drinking five or more cups of coffee a day with an increased tendency to hallucinate.

According to the study, while moderate consumption of coffee is not considered bad, excessive intake could make one hear voices that actually don't exist.

Professor Simon Crowe and his colleagues from the School of Psychological Sciences at the La Trobe University based their findings on the fact that caffeine present in coffee is the most commonly used psychoactive drug.

Exposure to pesticides may lead to Parkinson’s

California researchers, who earlier associated two widely used pesticides with Parkinson’s disease (PD), have now found a third pesticide that may also lead to the development of the disease.

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Scientists from University of California, Los Angeles (UCLA), found that the fungicide ziram, like the previously linked pesticides maneb and paraquat, also harms brain cells.

The recent study, published online in the ‘European Journal of Epidemiology,’ not only included the people who lived nearby the farm fields, like the previous study, but also the workplaces near the sprayed fields.

The researchers observed a three-time increase in the risk of PD with exposure to the combination of ziram, maneb, and paraquat near any workplace.

New drug to erase bad memories in the offing

Forgetting painful memories may now get easier, as a new research by Canadian researchers finds a decrease in the brain’s ability to recall bad memory under the effect of the drug metyrapone.

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University of Montreal researchers found that metyrapone reduces the levels of the stress hormone cortisol, which is associated with memory recall.

"Metyrapone is a drug that significantly decreases the levels of cortisol, a stress hormone that is involved in memory recall," stated Marie-France Marin, the lead author and a doctoral student at the university.

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