Tuesday October 23, 2018

Smelling Coffee May Boost Your Analytical Skills

It's not just that the coffee-like scent helped people perform better on analytical tasks, which was already interesting

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Costa coffee
The people would feel more alert and energetic in the presence of a coffee scent, versus a flower scent or no scent. (IANS)
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If you love the fragrance of coffee, there are high chances of better performance in analytical tasks, a new study has found.

According to the researchers, smelling a coffee-like scent — which has no caffeine in it — has an effect similar to that of drinking coffee, suggesting a placebo effect of coffee scent.

The findings also suggested that the scent of coffee alone may help people perform better on the analytical portion of the Graduate Management Aptitude Test (GMAT) — a computer adaptive test required by many business schools.

“It’s not just that the coffee-like scent helped people perform better on analytical tasks, which was already interesting,” said co-author Adriana Madzharov from the Stevens Institute of Technology in the US.

“But they also thought they would do better, and we demonstrated that this expectation was at least partly responsible for their improved performance,” Madzharov added.

For the study, published in the Journal of Environmental Psychology, the research team administered a 10-question GMAT algebra test in a computer lab to about 100 undergraduate business students.

coffee
Consuming 4 Cups of Coffee Daily May Help Boost Heart Functions in Elderly as well. Pixabay

The participants were divided into two groups. One group took the test in the presence of an ambient coffee-like scent, while a control group took the same test — but in an unscented room.

The researchers found that the group in the coffee-smelling room scored significantly higher on the test.

The team also designed a follow-up survey — conducted among more than 200 new participants — quizzing them on beliefs about various scents and their perceived effects on human performance.

Also Read: Fresh Grounds for Coffee: Study Shows It May Boost Longevity

The participants believed they would feel more alert and energetic in the presence of a coffee scent, versus a flower scent or no scent; and that exposure to coffee scent would increase their performance on mental tasks.

The results suggest that expectations about performance can be explained by beliefs that coffee scent alone makes people more alert and energetic.

Previous studies have also suggested that coffee may lessen the risk of heart disease, diabetes and dementia. (IANS)

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Coffee Can Reduce Fatality Rate For People Suffering From Chronic Kidney Disease

For the study, described in the journal Nephrology Dialysis Transplantation, the team involved data from 4,863 people.

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Coffee beans, chronic kidney disease
Coffee may prolong lifespan for people with kidney disease. VOA

Drinking coffee may help reduce the risk of death for people with chronic kidney disease, suggests a study.

Comparing with people that consumed less caffeine, patients that consumed higher levels of caffeine presented a nearly 25% reduction in the risk of death over a median follow-up of 60 months.

The possible protective effect of caffeine might be related with effects at vascular level as caffeine is known to promote the release of substances, such as nitric oxide, that improve the function of the vessel, the researchers said.

chronic kidney disease
Kidney disease. IANS

“Our study showed a protective effect of caffeine consumption among patients with chronic kidney disease. The reduction in mortality was present even after considering other important factors such as age, gender, race, smoking, other diseases, and diet,” said lead author Miguel Bigotte Vieira from the Centro Hospitalar Lisboa Norte in Portugal.

“These results suggest that advising patients with kidney disease to drink more caffeine may reduce their mortality. This would represent a simple, clinically beneficial, and inexpensive option,” Vieira added.

For the study, described in the journal Nephrology Dialysis Transplantation, the team involved data from 4,863 people.

Also Read: Smelling Coffee May Boost Your Analytical Skills

However, the researchers emphasised that this observational study cannot prove that caffeine reduces the risk of death in patients with chronic kidney disease, but only suggests the possibility of such a protective effect. (IANS)

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