Thursday September 20, 2018

Benefits of spicy food: Reduces risk of heart attack, BP & stroke, New Research Suggests.

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Spicy chinese food
Benefits of spicy food: Reduces risk of heart attack, BP & stroke, New Research Suggests.(Image:wikipedia)
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Beijing, October31’2017: If you enjoy eating spicy Chinese food, there are greater chances that you would crave less for salt and have lower blood pressure, potentially reducing the risk of heart attack and stroke, new research suggests.

“Previously, a pilot study found that trace amounts of capsaicin, the chemical that gives chili peppers their pungent smell, enhanced the perception of food being salty,” said senior study author Zhiming Zhu, Professor at the Third Military Medical University in Chongqing, China.

“We wanted to test whether this effect would also reduce salt consumption,” Zhu added.

The study enrolled more than 600 Chinese adults and determined their preferences for salty and spicy flavours. Researchers then linked those preferences to blood pressure.

The findings, published in the journal Hypertension, showed that compared to those who least enjoyed spicy foods, participants with a high spicy preference had lower blood pressure and consumed less salt than participants who had a low spicy preference.

They also used imaging techniques to look at two regions of the participants’ brains — the insula and orbitofrontal cortex — known to be involved in salty taste.

The researchers found that the areas stimulated by salt and spice overlapped, and that spice further increased brain activity in areas activated by salt.

This increased activity likely makes people more sensitive to salt so that they can enjoy food with less of it, the researchers said.

“If you add some spices to your cooking, you can cook food that tastes good without using as much salt,” Zhu said.

“Yes, habit and preference matter when it comes to spicy food, but even a small, gradual increase in spices in your food may have a health benefit,” Zhu said.(IANS)

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New Wearable Patch That Helps in Monitoring Blood Pressure

The patch was tested on a male subject, who wore it on the forearm, wrist, neck and foot. Tests were performed both while the subject was stationary and doing exercise

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Photo: doctormurray.com

Scientists have developed a new wearable ultrasound patch that non-invasively monitors blood pressure in arteries deep beneath the skin and could help people detect cardiovascular problems earlier on and with greater precision.

The new soft, stretchy ultrasound patch uses ultrasound waves to continuously record the diameter of a pulsing blood vessel located as deep as four centimeters (more than one inch) below the skin.

It can be worn on the skin and provides accurate, precise readings of central blood pressure each time, even while the user is moving. And it can still get a good reading through fatty tissue.

“By integrating ultrasound technology into wearables, we can start to capture a whole lot of other signals, biological events and activities going on way below the surface in a non-invasive manner,” said Sheng Xu, Professor at the University of California San Diego.

Physicians involved with the study, reported in the journal Nature Biomedical Engineering, say the technology would be useful in various inpatient procedures.

Blood Pressure
Representational image. Pixabay

“This has the potential to be a great addition to cardiovascular medicine,” said Brady Huang, co-author and radiologist at the varsity.

“In the operating room, especially in complex cardiopulmonary procedures, accurate real-time assessment of central blood pressure is needed — this is where this device has the potential to supplant traditional methods,” he noted.

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Central blood pressure is the pressure in the central blood vessels, which send blood directly from the heart to other major organs throughout the body.

Medical experts consider central blood pressure more accurate than peripheral blood pressure — measured with an inflatable cuff strapped around the upper arm, –and also say it’s better at predicting heart disease.

The patch was tested on a male subject, who wore it on the forearm, wrist, neck and foot. Tests were performed both while the subject was stationary and doing exercise. (IANS)

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