Popping pills for six-pack abs? Think twice

August 8, 2013

Six-pack_absBangalore, Aug 8: Are you a gym rat aiming for a six-pack, and washing down spoonfuls of dietary supplements to tone up your body to impress your gal? It’s time you rethought all that. With no regulations governing the sale of muscle-enhancers, what with their easy availability over the counter, wary dietitians have cautioned users about their efficacity.

“These supplements are rich in protein and the need for protein differs from person to person. Factors like age, occupation, body type and weight play an important role,” says Dr V Malathi, Head of the Department of Nutrition, Manipal Hospital.

“The medical history of a person, too, is very crucial before one consumes these supplements,” she warned.

Fitness experts who train sportsmen, however, say gym instructors prescribing supplements is quite common. “There are two types of supplements - protein and general. Protein supplements are whey or creatine and the general ones are that claim to make you taller or stronger in weeks,” explains Deckline Leitao, performance enhancer at the Prakash Padukone Academy.

He says both can be harmful if taken without proper medical consultation.

“Protein supplements are effective input if you have the necessary amount of output, too. For a sportsperson or a person doing rigorous physical exercises, these supplements will be effective. But, if you are a youngster or a working professional, they are not helpful.

Most gym instructors are unqualified and don’t really understand how the body works.

They prescribe supplements to everybody, especially teenagers who want to quickly have a toned body.”

Dietitians warn people not to be carried away by the ‘magic’ formulas suggested by quack instructors. “Since supplements are easily available, not many consider going to a nutritionist or a dietitian. But you should always get a medical opinion, or consult a doctor. High intake of protein does not cause harms

like cholesterol increase, but it can cause hypoproteinemia or hyperuricemia which can later lead to grave problems,” says Dr Malathi.

When contacted, the Drugs Control Authority said there were no regulations for supplements. “We don’t have any rules or guidelines in place for these supplements,” said State Drug Controller Jaga Shetty.

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Agencies
July 7,2020

The World Health Organization (WHO) is reviewing a report that suggested its advice on the novel coronavirus needs updating after some scientists told the New York Times there was evidence the virus could be spread by tiny particles in the air.

The WHO says the Covid-19 disease spreads primarily through small droplets, which are expelled from the nose and mouth when an infected person breaths them out in coughs, sneezes, speech or laughter and quickly sink to the ground.

In an open letter to the Geneva-based agency, 239 scientists in 32 countries outlined the evidence they say shows that smaller exhaled particles can infect people who inhale them, the newspaper said on Saturday.

Because those smaller particles can linger in the air longer, the scientists - who plan to publish their findings in a scientific journal this week - are urging WHO to update its guidance, the Times said.

"We are aware of the article and are reviewing its contents with our technical experts," WHO spokesman Tarik Jasarevic said in an email reply on Monday to a Reuters request for comment.

The extent to which the coronavirus can be spread by the so-called airborne or aerosol route - as opposed to by larger droplets in coughs and sneezes - remains disputed.

Any change in the WHO's assessment of the risk of transmission could affect its current advice on keeping one-metre physical distancing. Governments, which also rely on the agency for guidance policy, may also have to adjust public health measures aimed at curbing the spread of the virus.

"Especially in the last couple of months, we have been stating several times that we consider airborne transmission as possible but certainly not supported by solid or even clear evidence," Benedetta Allegranzi, the WHO's technical lead for infection prevention and control, was quoted as saying in the New York Times.

WHO guidance to health workers, dated June 29, says that SARS-CoV-2, the virus that causes Covid-19, is primarily transmitted between people through respiratory droplets and on surfaces.

But airborne transmission via smaller particles is possible in some circumstances, such as when performing intubation and aerosol-generating procedures, it says.

Medical workers performing such procedures should wear heavy-duty N95 respiratory masks and other protective equipment in an adequately ventilated room, the WHO says.

Officials at South Korea's Centers for Disease Control said on Monday they were continuing to discuss various issues about Covid-19, including the possible airborne transmission. They said more investigations and evidence were needed.

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Agencies
January 4,2020

Washington D.C., Jan 3: A new study has found out that diet significantly affects the mental health and well being of an individual.

The study was published in the journal European Neuropsychopharmacology.

"We have found that there is increasing evidence of a link between a poor diet and the worsening of mood disorders, including anxiety and depression. However, many common beliefs about the health effects of certain foods are not supported by solid evidence," said the lead researcher, Professor Suzanne Dickson.

According to the researchers, the link between diet and mental health can be firmly established in certain cases like that of the ability of a ketogenic diet being helpful for children with epilepsy and the impact of vitamin B12 deficiency on poor memory, depression and fatigue.

"With individual conditions, we often found very mixed evidence. With ADHD for example, we can see an increase in the quantity of refined sugar in the diet seems to increase ADHD and hyperactivity, whereas eating more fresh fruit and vegetables seems to protect against these conditions," said Dickson

But there are comparatively few studies, and many of them don't last long enough to show long-term effects," added Dickson.

The study further concludes that some food items can be associated with treatment and the betterment of certain mental health conditions.

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Agencies
July 2,2020

London, Jul 2: The World Health Organisation says smoking is linked to a higher risk of severe illness and death from the coronavirus in hospitalised patients, although it was unable to specify exactly how much greater those risks might be.

In a scientific brief published this week, the U.N. health agency reviewed 34 published studies on the association between smoking and Covid-19, including the probability of infection, hospitalisation, severity of disease and death.

WHO noted that smokers represent up to 18% of hospitalised coronavirus patients and that there appeared to be a significant link between whether or not patients smoked and the severity of disease they suffered, the type of hospital interventions required and patients' risk of dying.

In April, French researchers released a small study suggesting smokers were at less risk of catching Covid-19 and planned to test nicotine patches on patients and health workers — but their findings were questioned by many scientists at the time who cited the lack of definitive data.

WHO says "the available evidence suggests that smoking is associated with increased severity of disease and death in hospitalized Covid-19 patients. It recommends that smokers quit.

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