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Eating radish may prevent heart disease, stroke: Study

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Tokyo, Aug 10: Eating carrots, onions and broccoli are passe, the humble radish could be the newest heart-healthy vegetable, say researchers.

The findings showed that compounds found in the Sakurajima Daikon, or “monster,” radish could help protect coronary blood vessels and potentially prevent heart disease and stroke, researchers including Katsuko Kajiya from the Kagoshima University in Japan said.

Grown for centuries in Japan, the Sakurajima Daikon is one of the Earth’s most massive vegetables. In 2003, the Guinness Book of World Records certified a Sakurajima weighing nearly 69 pounds as the world’s heaviest radish.

Radishes are good sources of antioxidants and reportedly can reduce high blood pressure and the threat of clots, a pair of risk factors for heart attack and stroke.

But to date, no studies have directly compared the heart-health benefits of the Sakurajima Daikon to other radishes.

The study, appearing in the Journal of Agricultural and Food Chemistry, could lead to the discovery of similar substances in other vegetables and perhaps lead to new drug treatments, the researchers said.

Kajiya’s team exposed human and pig vascular endothelial cells to extracts from Sakurajima Daikon and smaller radishes.

Using fluorescence microscopy and other analytical techniques, the team found that the Sakurajima Daikon radish induced more nitric oxide production in these vascular cells than a smaller Japanese radish.

Nitric oxide is a key regulator of coronary blood vessel function.

They also identified trigonelline — a plant hormone — as the active component in Sakurajima Daikon that appears to promote a cascade of changes in coronary blood vessels resulting in improved nitric oxide production.

IANS

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Zika virus cases reach 72 in Jaipur

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Jaipur, Oct 15 : The number of people infected with the Zika virus rose to 72 in Jaipur, officials from the health department said on Monday.

The number of people carrying the virus was put out after a review meeting chaired by Additional Chief secretary (Health) Veenu Gupta.

The officials informed that 280 teams were surveying the affected areas by visiting each and every house. Around 96,000 houses had been surveyed till date.

Since Sunday, the health department has started issuing challans against owners of houses where larvae of the mosquito that transmits the virus were found.

The virus is transmitted through the Aedes Aegypti Mosquito. It causes fever, skin rashes, conjunctivitis, and muscle and joint pain. It is particularly harmful to pregnant women, as it can lead to microcephaly, a condition in which a baby’s head is significantly smaller than expected upon birth.

Till Monday evening, 68 such challans were issued and penalties of Rs 44,000 were imposed.

Screening and anti-larvae measures are continuing in the capital city. The samples are also being collected from those suffering from fever, the officials said.

The people in the affected areas are being advised to temporarily suspend water storage, and the same is being supplied via tankers.

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Internet obsession among adolescents leading to mental disorder: Experts

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Spending excessive time over internet and social media is emerging as a leading cause for mental disorder among adolescents and youths, say medical experts.

“It is seen that youths and teenagers are getting obsessed with mobile phones and computers. They spend most of time either playing games and chatting over social media and get away from the real world,” RK Chadda, HOD Psychiatry and Chief National Drug Dependence Treatment Centre (NDDTC).

According to Dr Rachna Bhargava, Associate Professor, Psychiatry and NDDTC AIIMS, excessive time spent over virtual world is forces youths to remain secluded from reality.

“Individuals develop an imaginary world and tend to confine themselves within that. Youths, especially boys aged between 14-25, have been observed to be more prone to mental disorder,” Bhargava added.

Among early symptoms it is found that a child tends to stop interacting or mingling with other children and creates a distance from family members.

“If a device is being forcefully taken away from a child, it is seen that he or she tends to lose temper and even misbehaves,” Dr Anju Dhawan, NDDTC stated.

Dr Pratap Saran, Psychiatry, AIIMS pointed that the primary reason behind youths falling prey to mobile games or social media addiction is because of lack of parental supervision.

“It is often seen that the parents remain engulfed in their own daily routine work and ignores the child. At times even the parents also fails to understand or realise that a child is developing mental disorder and it further escalates the syndrome,” Dr Saran added.

However, most mental disorder cases remain unattended. Dr Bhargava said the reason behind is that neither the patients nor anyone from their families come up and talk about it to medical experts.

“Most people do not even realise that they are facing mental disorder. Many think it is a stigma to attend a psychiatrist and hesitate to report or talk about the issues. There is quite a gap between psychiatrists and mental disorder patients,” she said.

According to the experts, mental disorder owing to social media and mobile games can be avoided if parents start early supervision.

“The addiction cannot be measured in a particular time frame. It can develop after using even for 3-4 hours of more than 6 hours. It is very important that parents should take their child for outdoor activities, that will help them to keep in pace with the real world,” Dr Chadda mentioned.

The recently concluded National Mental Health Survey of India estimates current prevalence of mental disorders in the age group 18-29 at 7.39 per cent and lifetime prevalence at 9.54 per cent.

AIIMS also organised an event to promote awareness of mental health issues affecting the young people on the occasion of World Mental Health Day which is marked on October 10 every year.

(Somrita Ghosh can be contacted at [email protected])

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Overdose of Vitamin A may up bone fracture risk

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London, Oct 9: Over-supplementing Vitamin A in your diet may decrease bone thickness, leading to weak and fracture-prone bones, a new study claims.

Vitamin A found in meat, dairy products and vegetables, is an essential source that is important for growth, vision, immunity and organ function.

The findings showed that mice which were given lower doses of Vitamin A, equivalent to 4.5-13 times the recommended daily allowance (RDA) in humans, showed thinning of their bones in just eight days.

“Overconsumption of Vitamin A may be an increasing problem as many more people now take vitamin supplements. Overdose of Vitamin A could be increasing the risk of bone weakening disorders in humans but more studies are needed to investigate this,” said Ulf Lerner, Professor from Sahlgrenska Academy at the University of Gothenburg in Sweden.

“In the majority of cases, a balanced diet is perfectly sufficient to maintain the body’s nutritional needs for Vitamin A,” Lerner added.

Previous studies on mice have shown that short-term overdosing of Vitamin A, at the equivalent of 13-142 times the RDA in people, results in decreased bone thickness and an increased fracture risk after just one or two weeks.

However, these studies were performed with very high doses of Vitamin A, over a short period of time.

“In our study we have shown that much lower concentrations of Vitamin A, a range more relevant for humans, still decreases rodent bone thickness and strength,” Lerner noted.

Researchers suggested that people should be cautious of over-supplementing Vitamin A in their diets.

IANS

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