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$1 price hike could cause 1 million smokers to quit

Using over ten years of neighbourhood price data, researchers at Drexel University have found that smokers are twenty percent more likely to quit if the price of cigarettes is increased by a dollar.

Currently, smoking remains the largest cause of preventable deaths and disease in the world. Due to this, the finding that increased cigarette prices were associated with a higher rate of smoking cessation is significant as it suggests that cigarette taxes may be an effective lever for successful behaviour change.

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Digital doctor: the computer will see you now

Just as people display their emotions through body language and behaviour, your emotional state can now be detected using your Instagram account.

Researchers at the University of Vermont and Harvard University have shown that machine learning algorithms can successfully detect depression from Instagram photos. Currently, the computerised method has a success rate of 70%, a vast improvement on the 42% achieved by general practice doctors diagnosing in-person.

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Mind the gap: will it ruin your marriage?

According to researchers at the University of Colorado Boulder, similarly-aged spouses tend to have happier marriages.

Since 2001, data from 7,682 Australian households has been collected using the Household, Income and Labour Dynamics in Australia (HILDA) survey. Due to the length of the study and the sheer number of participants, data analysis has unearthed several distinct trends in marriage satisfaction over time.

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