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Is there a positive side to worrying?

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New York, April 30: A new study by a psychology professor at the University of California – Riverside shows that there is a positive side to worrying.

“Worry — it does a body good. And, the mind as well,” said Kate Sweeny in the paper published in Social and Personality Psychology Compass.

“Despite its negative reputation, not all worry is destructive or even futile. It has motivational benefits and it acts as an emotional buffer,” added Sweeny.

In her study, Sweeny found that worry is associated with recovery from traumatic events, adaptive preparation and planning, recovery from depression, and partaking in activities that promote health and prevent illness.

Surprisingly, she said that people who report greater worry may perform better — in school or in the workplace — seek more information in response to stressful events and engage in more successful problem-solving.

In the paper, Sweeny noted three explanations for worry’s motivating effects.

“Firstly, worry serves as a cue that the situation is serious and requires action. People use their emotions as a source of information when making judgements and decisions,” she noted.

Secondly, worrying about a stressor keeps the stressor at the front of one’s mind and prompts people toward action and lastly, the unpleasant feeling of worry motivates people to find ways to reduce their worry.

“Even in circumstances when efforts to prevent undesirable outcomes are futile, worry can motivate proactive efforts to assemble a ready-made set of responses in the case of bad news. In this instance, worrying pays off because one is actively thinking of a ‘Plan B’,” Sweeny said.

Worry can also benefit one’s emotional state by serving as an emotional bench-mark. Compared to the state of worry, any other feeling is pleasurable by contrast.

In other words, the pleasure that comes from a good experience is heightened if preceded by a bad experience.

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Health

Can drinking too much water harm you?

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Toronto, May 23: Do you drink too much water? Beware, overhydration — excess fluid accumulation — can lead to dangerously low sodium levels or in the blood or result in brain swelling, researchers say.

Hyponatremia, a life-threatening condition of brain swelling, is more common in elderly patients and can cause cognitive problems and seizures.

“(Hyponatremia) occurs in common pathological conditions, including brain injury, sepsis, cardiac failure and in the use of drugs, such as MDMA (ecstasy),” said Charles Bourque from the McGill University in Canada.

While it was yet uncertain how hyponatremia develops, the study found that a defect in the hydration sensing mechanism of the brain could be the culprit.

The researchers said that brain’s hydration sensing neurons could not detect overhydration in the same way that they detect dehydration.

Overhydration activates Trpv4 — a calcium channel that can be found in glial cells, that act to surround hydration sensing neurons.

It is cellular gatekeeper implicated in maintaining the balance of water in the body.

“Our study shows that it is in fact glial cells that first detect the overhydrated state and then transfer this information to turn off the electrical activity of the [hydration sensing] neurons,” Bourque explained.

“Our specific data will be important for people studying hydromineral and fluid electrolyte homeostasis, and clinicians who treat patients faced with hyponatremia,” he noted.

The results, published in the journal Cell Reports, showed that overhydration is first identified by the Trpv4 channel which triggers the release of a type of amino acid known, taurine, which acts as a trip wire to inhibit hydration sensing neurons.

“Preclinical models of hyponatremia will be used to examine if the mechanism we report is affected in this condition with the long-term objective of designing new treatments or diagnostic tools,” Bourque added.

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Taj Mahal, Mumbai Sea Link among top 10 travellers’ choices

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Mumbai, May 23: The eternal monument to love, the Taj Mahal in Agra and the Rajiv Gandhi Bandra Worli Sea Link in Mumbai figure among the Top 10 TripAdvisor’s Travellers’ Choice awards of 2018 for most visited and popular tourist landmarks, it was announced here on Tuesday.

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Taj Mahal, Agra

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Bandra Worli Sea Link, Mumbai

The other top Indian monuments in the list of awards include: Amber Fort in Amer, Golden Temple of Amritsar, the Qutub Minar, Humayun’s Tomb, Swaminarayan Akshardham Temple, and Gurudwara Bangla Sahib in New Delhi, Agra Fort, and Mehrangarh Fort in Jodhpur

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Amber Fort, (Amer) Rajasthan

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Swaminarayan Akshardham Temple, Delhi

Golden Temple of Amritsar,

Golden Temple of Amritsar

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Gurudwara Bangla Sahib, New Delhi

The award winners were decided using an algorithm that took into account the quantity and quality of reviews and ratings for landmarks worldwide over a 12-month period.

This year’s TripAdvisor awards recognize 759 monuments spread in 68 countries globally, said the company’s Country Manager Nikhil Ganju.

“India’s landmarks as as diverse at its heritage and are among some of the most iconic structures in the world. The list presents fantastic gems ranging from poignant memorials to sheer architectural marvels that are great options for travelers,” he added.

Mumbai’s sole entry to the list, the RGBWSL is one of its most prominent modern landmarks and an infrastructure marvel of a cable-stayed bridge cutting through the Arabian Sea to connect Bandra with Worli.

The top 10 Travellers Choice Landmarks of Asia include: Angkor Wat in Cambodia, Taj Mahal and the Golden Temple in India, Wat Pho or Temple of Reclining Buddha in Thailand, Mutianyu Great Wall of China, Fushimi Inari-taisha Shrine of Japan, Shwedagon Pagoda in Myanmar, Petronas Twin Towers in Malaysia, and the Cu Chi Tunnels in Vietnam.

Similarly, the Top 10 landmarks worldwide are: Angkor Wat, Plaza de Espana in Spain, Sheikh Zayed Grand Mosque Centre in UAE, St. Peters Basilica of The Vatican, Mesquita Cathedral de Cordoba in Spain, Taj Mahal, Duomo di Milano in Italy, Alcatraz Island and Golden Gate Bridge both in US, and the Parliament of Hungary.

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Health

Exercise 4-5 times daily to delay ageing

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New York, May 21: Want to stay young for long? If so, start exercising four to five times a day as it may help keep your heart stay healthy and slow down ageing, according to researchers.

Research showed that different sizes of arteries are affected differently by varying amounts of exercise.

While exercising for about two to three days a week for about 30 minutes may be sufficient to minimise stiffening of middle-sized arteries, exercising for about four to five days a week is required to keep the larger central arteries youthful.

The study would help “develop exercise programmes to keep the heart youthful and even turn back time on older hearts and blood vessels”, said one of the study authors, Benjamin Levine from the University of Texas.

With age, arteries — which transport blood in and out of the heart — become prone to stiffening, increasing the risk of heart diseases.

For the study, published in The Journal of Physiology, the team examined 102 people over 60 years old, with a consistent lifelong exercise history.

The participants were divided into four groups depending on their exercise history — Sedentary: less than 2 exercise sessions per week; Casual Exercisers: 2-3 exercise sessions per week; Committed Exercisers: 4-5 exercise sessions per week and Masters Athletes: 6-7 exercise sessions per week.

A lifelong history of casual exercise (two-three times a week) resulted in more youthful middle-sized arteries, which supply oxygenated blood to the head and neck.

However, committed exercisers (4-5 times per week) also had more youthful large central arteries, which provide blood to the chest and abdomen, in addition to healthier middle-sized ones.

Larger arteries need more frequent exercise to slow down ageing, the researchers said.

The findings will help see “if we can reverse the ageing of a heart and blood vessels by using the right amount of exercise at the right time”, Levine explained.

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