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Health – Articles, Analysis, Comment

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Lasers remove different coloured ink by generating a different frequency of light. Sheila Blige

Explainer: how are tattoos removed?

You’re probably familiar with how tattooing works: coloured ink is deposited via needles into the dermal layer of skin. But you’re probably less familiar with the process for having it removed: laser therapy…
Clinics advertise the most popular laser treatments from A$100 but they can involve a lot more financial pain. Matt Baran

Invisible ink: the rise of the tattoo removal industry

Tattoo removal is a lucrative business. According to one estimate, about a quarter of Australians under 30 have a tattoo. And approximately a quarter of these people are planning to have it removed. Tattoo…
The cellular and molecular generators of pain are fundamentally different between males and females. Image from shutterstock.com

Women experience more chronic pain than men – now we know why

It’s long been a household debate: who really is the stronger sex, men or women? It’s no secret that physically, men often outperform women. But women have long argued that the gruelling experiences of…
Safeguards to protect women and children should not be eroded. Image from shutterstock.com

Not for profit: the case against commercial surrogacy

For singles and couples who can’t naturally conceive and carry a baby to term, surrogacy is sometimes considered an option to have a child. Current laws across Australia permit “altruistic” surrogacy which…
Aborting a foetus just because of its sex seems repugnant to most of us. Shutterstock

What should we do about sex-selective abortion?

A Melbourne doctor is being investigated by the medical professional standards body for refusing to refer a woman to another GP after she sought an abortion. The case raises important questions about doctors…
No one disputes that extensive training on a specific task will improve performance on that task. Paul Boxley

Health Check: does brain training make you smarter?

No one who has kept their head out of the sand over the past several years needs to be told “brain training” is a hot topic. And it’s big business too, with advocates using claims such as “personal training…
People in countries with greater gender equality don’t report lower levels of work-family conflict – instead, it transfers to men. Image from shutterstock.com

Having it all: in pursuit of gender equality and work-life balance

I recently asked my University of Melbourne undergraduates to answer the following hypothetical: your child is sick at school. Who would usually pick him or her up? Their response was as expected – a third…
The International Agency for Research on Cancer has classified outdoor air pollution as carcinogenic to humans. Andrew Tseng

Air pollution causes cancer, so let’s do something about it

Late last week, the world’s leading experts on cancer, the International Agency for Research on Cancer (IARC) classified outdoor air pollution as carcinogenic to humans. The agency’s report, Air Pollution…
Mamming involves resting breasts on a flat surface and taking a photo. Ondra Anderle

#mamming meme opens young women up to screening harms

Social media can help raise awareness of health issues, engaging people in discussion and encouraging them to take action. But thoughtless adherence to such trends has the potential to cause harm. New…
The European food agency has decided to allow health claims for products containing fructose. Broken Haiku/Flickr

Fructose health claims ignores evidence of harm

The European Food and Safety Agency (EFSA) has just approved health claims for fructose-sweetened products, in a move that has astonished scientists around the world. Food and drink manufacturers can now…
A diet high in trans and saturated fats is strongly linked with coronary heart disease. Phil Burns

It’s not even debatable, saturated fat is bad for you

Earlier this week, the BMJ published an article claiming advice that saturated fat intake should be minimised to reduce heart disease is flawed. While this may sound tempting, it’s just not the case. The…
A caffeine boost is part of the pleasurable effect of a good cup of coffee. Bug/Flickr

Death by caffeine really is a thing, if you’re susceptible

Sadly, tragic news has emerged that a man in the United Kingdom recently died from caffeine overdose. John Jackson was 40 years old. What makes this unfortunate death worrying is that it was due to consumption…
Research looked at whether applying medical grade honey to wound sites showed advantages over antibiotics. Rachel/Flickr

Honey not a contender in the fight against superbugs

If you haven’t heard about the threat “superbugs” (bacteria that are resistant to antibiotics) pose to our health, it’s likely you haven’t been conscious or on the planet for a couple of years. There are…
Sunlight has repeatedly been found to boost positive moods, though the link is weaker than many people imagine. Image from shutterstock.com

Here comes the sun: how the weather affects our mood

The weather supplies many metaphors for our changeable minds. Moods can brighten and darken, dispositions can be sunny, futures can be under a cloud and relationships can be stormy. Like the weather, our…
The current debate obscures the much larger question of why doctors need to receive “tea and biscuits” from pharmaceutical companies at all. Yortw/Flickr

Forget tea and biscuits, why should doctors get any gifts from pharma companies?

The Australian Medical Association (AMA) and medical specialist groups are currently debating public disclosure of gifts received by doctors from pharmaceutical companies. The bone of contention is how…
High-intensity interval training it can be done on a bike, treadmill, or however you can achieve the desired intensity. Image from shutterstock.com

Health Check: high-intensity micro workouts vs traditional regimes

When it comes to health and fitness, there are rarely any quick fixes. But if you’re struggling to get the recommended 30 minutes of exercise a day, micro workouts might be just the thing you need to start…
The ability to daydream offers us tremendous flexibility in our daily lives. Nennie T/Flickr

Daydream believer: why your brain is wired to wander

We are usually told that daydreaming is a waste of time and mental power, but the ability to daydream offers us tremendous flexibility in our daily lives. The frequency with which we daydream suggests…
Smoke from bushfires fill the sky over Sydney, Thursday, October 17, 2013, potentially affecting millions of people. AAP/JAMES MORGAN

What you can do about the health impact of bushfire smoke

In recent days, we’ve seen dramatic pictures of thick smoke from bushfires hanging over Sydney. Our first thoughts are with people living in the immediate vicinity of the fires, and the threat to their…
Work and life are no longer separate but how do we deal with this change? Image from shutterstock.com

Living in an i-world: a new way to think about work-life conflict

Australians are spending more hours at work than ever before and contribute more unpaid overtime each year than their annual leave allowance. While workplaces can be beneficial to emotional well-being…
Consumption of fruits and vegetables can be expected to fall if their price goes up. shaun/Flickr

Taxing fresh foods could have a big, bad health impact

A simmering discussion about Australia’s goods and services tax (GST) flared up again straight after the election, with WA Premier Colin Barnett arguing for an increase in the GST rate and a broadening…
Faster vehicle speeds are associated with more crashes, more fatalities, and more serious injuries. Image from shutterstock.com

Goodbye speed limits: the NT’s risky road safety strategy

There has been a flurry of calls for higher speed limits on Australian roads over recent weeks, from Queensland, South Australia, and for major east coast highways. So it’s no surprise the Northern Territory…
If we’re fit, does it matter what we weigh? Image from shutterstock.com

Viewpoints: can you be healthy at any weight?

Australians are getting heavier and, as a result, are more likely to suffer life-threatening illnesses such as heart disease, diabetes and strokes. But should we be worried about a bit of excess weight…
Despite the availability of a safe, effective vaccine, measles outbreaks continue to occur throughout the world. CDC/Wikimedia Commons

Measles outbreaks show the illness is down, but not yet out

New South Wales has become the latest Australian state to issue an alert about a measles outbreak, joining Victoria and Queensland. Queensland’s chief health officer has even written directly to parents…