Thursday November 21, 2019

Consuming 4 Cups of Coffee Daily May Help Boost Heart Functions in Elderly

The team found that caffeine was protective against heart damage in pre-diabetic, obese mice, and in aged mice

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Hot coffee contains more antioxidants than cold coffee. Pixabay

Drinking four cups of coffee daily might be a healthy addiction, especially in older adults, as it can enhance the function of heart cells as well as help recover from heart attacks, say researchers.

The study, conducted on mice showed that coffee promotes movement of a regulatory protein into mitochondria — cell powerhouse — which then enhances their function to protect cardiovascular cells from damage.

The protein called p27, an inhibitor of the cell cycle, was present in mitochondria in the major cell types of the heart.

In these cells, mitochondrial p27 promoted migration of endothelial cells, protected heart muscle cells from cell death and triggered the conversion of fibroblasts into cells containing contractile fibres — all crucial for repair of heart muscle after myocardial infarction or heart attack, and did so at a concentration that is reached in humans by drinking four cups of coffee, the researchers said.

Representational image.
Representational image. Pixabay

“Our results indicate a new mode of action for caffeine, one that promotes protection and repair of heart muscle through the action of mitochondrial p27,” said Judith Haendeler from Heinrich-Heine-University’s Medical Faculty in Germany.

“…enhancing mitochondrial p27 could serve as a potential therapeutic strategy not only in cardiovascular diseases but also in improving health span,” she added.

Also Read: Californian Court Warns “Coffee causes Cancer!”

In the study, published in the journal PLOS Biology, the team found that caffeine was protective against heart damage in pre-diabetic, obese mice, and in aged mice.

“These results should lead to better strategies for protecting heart muscle from damage, including consideration of coffee consumption or caffeine as an additional dietary factor in the elderly population,” Haendeler said. (IANS)

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Study Finds that Consuming Coffee can improve Sports Performance

To date, much of the research on this topic has focused only on anhydrous caffeine and men, said the researchers

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The finding also contributes to the growing body of research that highlights the ergogenic benefit of Coffee ingestion during Sports. Pixabay

Researchers have found that drinking coffee is associated with improving Sports performance in both men and women.

For the study, published in the journal Nutrients, the researchers from Coventry University in the UK picked 38 participants (19 men, 19 women) and found that drinking caffeinated coffee improves speed of cycling.

According to the researchers, participants restricted coffee consumption for 12 hours before drinking either — coffee providing (3mg.kg minus one) of caffeine, a placebo in water or nothing as a control.

In a 5 km cycling time trial, following coffee ingestion, the performance of both men and women improved by approximately nine seconds and six seconds as compared with placebo and control, respectively.

No difference in performance was observed between the placebo and control.

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Researchers have found that drinking Coffee is associated with improving Sports performance in both men and women. Pixabay

The study’s findings suggest that both men and women respond similarly to coffee and that its ingestion may be a practical source of caffeine prior to exercise for improving performance.

The finding also contributes to the growing body of research that highlights the ergogenic benefit of coffee ingestion.

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To date, much of the research on this topic has focused only on anhydrous caffeine and men, said the researchers. (IANS)