Thursday January 17, 2019
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Exposure to airborne ultrasound causes head related diseases

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New Delhi: Places like railway station, museums, sports stadium, libraries, schools has higher expose to airborne ultrasound which can lead to diseases like nausea, dizziness, migraine, fatigue and tinnitus.

According to the university of Southampton, people are being exposed to airborne ultrasound without their knowledge in public places. Loudspeakers, door sensors, public addressing system can generate airborne ultrasound in public places.

Professor Tim Leighton collected readings of very high frequency/ultrasonic VHF/US fields in several public buildings using smartphones and tablets equipped with an app. The findings were then calibrated with two or three independent microphone and audio data systems.

Study author Professor Tim Leighton found that members of the public were exposed to VHF/US levels over 20 kHz, which is the threshold of the current guidelines.

People who are unaware of this airborne exposure are complaining, for themselves and their children.

One in 20 people between the age of 40-49 years is suffering from hearing threshold that is a minimum of 20(DB) which becomes more sensitive at 20KH than that of people aged between 30-39.

Five percent of the People between the age of 5-19 are likely to have 20KH threshold that of 60(DB) more sensitive than the median for the 30-39 year age group.

The current reports are not capable for fighting with the mass exposure, which a large number of people is facing. Current guidelines are not meeting the requirements for such a large public who is being exposed to airborne ultrasound. These guidelines are roughly collected on the basis of small groups’ mainly male adults.

Over a period of time, many workers are being exposed to occupational industrial ultrasound through industrial devices for cleaning and drilling which affects them negatively.

It’s very much necessary that suffers can able to identify whether they are suffering from  VHF/US exposure or not. The lack of research states that it is not possible to prove or disprove the health risk of public.(IANS)(Image-huffingtonpost)

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Avoid High Calories just By Smelling Such Food For Longer Than Two Minutes

High caloric foods are high in fats and sugars and extraordinary intake of these types of foods increase your risk factors for obesity Type-2 diabetes

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Does a whiff of pizzas, burgers or sandwiches entice you, but you refrain from eating them due to the high-calories it contains? Take heart, smelling these for longer than two minutes will make you feel satiated, suggest researchers, including one of an Indian-origin.

The study showed that ambient food scent can directly satisfy the belly because the brain does not necessarily differentiate the source of sensory pleasure.

“Ambient scent can be a powerful tool to resist cravings for indulgent foods. In fact, subtle sensory stimuli like scents can be more effective in influencing children’s and adults’ food choices than restrictive policies,” said lead author Dipayan Biswas, Professor at the University of South Florida in the US.

The researchers discovered a direct connection between the length of exposure time and whether or not one will indulge.

They also conducted a series of tests using a nebuliser that separately gave off the scent of healthy and unhealthy food items (cookies versus strawberries, pizza versus apples).

Cholesterol -- a molecule normally linked with cardiovascular diseases -- may also play an important role in the onset and progression of Alzheimer's disease, researchers have found.
Junk Food is highly rich in Cholesterol, pixabay

The findings, published in the Journal of Marketing Research, showed that participants exposed to the smell of cookies for less than 30 seconds were more likely to want a cookie.

However, those exposed for longer than two minutes did not find that cookie desirable and picked strawberries instead.

The results were the same in case of the scent of pizza and apples.

Also Read: Labels on Packaged Foods Promote Healthier Choices, Shows Study

Since non-indulgent foods do not give off much of an ambient scent, they are typically not connected with reward, therefore they have little influence on what we order, the study noted.

High caloric foods are high in fats and sugars and extraordinary intake of these types of foods increase your risk factors for obesity Type-2 diabetes, heart disease as well as cancers. (IANS)