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Three reasons you’re more likely to develop an addiction

While it is an extremely complicated issue, some key factors determine how predisposed you are to becoming addicted to a substance or behaviour.

Addiction is a complex and multifaceted issue, impacting millions of lives around the world. While the causes of addiction can vary widely, a key question often arises: Do some individuals have a predisposition to addiction, and can possessing what’s often termed an ‚addictive personality‘ make you more likely to struggle with addiction?

The concept of an ‚addictive personality‘ is a widely debated and somewhat controversial one. It suggests that certain personality traits, behaviours, or genetic factors can make an individual more susceptible to developing addictive behaviours, such as substance abuse or compulsive behaviours like gambling or sex addiction.

Having certain personality traits does not guarantee that an individual will develop an addiction. It does, however, increase their vulnerability. The development of addiction is influenced by a combination of factors, not just someone’s personality. 

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The genetics of addiction

One important factor in the predisposition to addiction is genetics. Research has shown that genetics can play a substantial role in an individual’s likelihood of developing an addiction.

If addiction runs in your family, you may be at a higher risk due to shared genetic factors. Specific genes can influence the body’s response to substances like alcohol, drugs, and nicotine, making some people more vulnerable to addiction than others. One study estimates that heritability for addictions ranges between 0.4 (hallucinogens) to 0.7 (cocaine). 

However, having these genetic predispositions does not guarantee that someone will become addicted; it merely increases the risk. For example, a person with a family history of alcoholism may be at greater risk of developing an alcohol use disorder.

Still, their likelihood of developing this addiction also depends on their choices, behaviour, and the environment in which they are exposed to alcohol. Conversely, someone with a family history of addiction may choose not to engage in addictive behaviours due to their environment and personal choices.

Behavioural and environmental factors

Beyond genetics, an individual’s behaviour and environment play a significant role in their predisposition to addiction. People with certain personality traits, such as impulsivity, sensation-seeking, and risk-taking, may be more likely to engage in activities that can lead to addiction.

Additionally, individuals who grow up in environments with easy access to drugs or alcohol, neglectful parents, or experience trauma, stress, or a lack of positive social support, may also be more vulnerable to addiction.

The role of dopamine

Dopamine, a neurotransmitter in the brain, is often associated with feelings of pleasure and reward. Many addictive substances, including drugs and alcohol, can trigger the release of dopamine in the brain, creating pleasurable sensations. Some individuals may have differences in their dopamine systems that make them more susceptible to addiction, as they may require more stimulation to experience the same level of pleasure or reward.

It’s important to note that substance abuse usually begins with impulsivity and a person seeking a positive reward and turns into addiction when it switches to compulsivity and a person attempting to avoid negative consequences. 

Understanding and preventing addiction

Recognising that addiction is a complex interplay of factors can be empowering. It means that individuals can take steps to reduce their risk of developing an addiction. Education, awareness, health coping mechanisms and early intervention with a health professional can all help to prevent addiction. 

If you or someone you know is struggling with addiction, seeking professional help is essential for recovery and a healthier future.

Dr Ashwini Padhi is a psychiatrist at South Pacific Private – Australia’s leading treatment centre for trauma, addiction and mental health.

If you think you or someone you know needs help, please call Lifeline on 13 11 14 or beyondblue 1300 22 4636. 

Originally published as 3 reasons you’re more likely to develop an addiction

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Everything you need to know about King Charles’ cancer diagnosis

King Charles III is undergoing treatment for cancer, a statement from Buckingham Palace reveals this morning. Here’s what we know so far. 


It was only weeks ago that King Charles III, reigning monarch of the United Kingdom and the Commonwealth, underwent treatment for benign prostate enlargement

Now, a new statement released by the palace on behalf of the King has revealed another, far more serious diagnosis– cancer. While the details of the King’s diagnosis, such as type and stage, have not yet been disclosed to the public, the Palace’s transparency is an example of the King’s modern approach to monarchy. 

“His Majesty has chosen to share his diagnosis to prevent speculation and in the hope it may assist public understanding for all those around the world who are affected by cancer,” the statement says.

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Weeks ago, the 75-year-old King’s routine procedure was reported as a byproduct of the natural ageing process, giving his loving family and loyal subjects little to worry about. The public was informed the monarch would be admitted to a private London hospital for treatment, resuming his regular public duties shortly thereafter. 

However, as the palace’s latest statement says, the King’s cancer diagnosis was picked up during the treatment for his enlarged prostate, prompting a swift response from medical staff and Palace operations. 

“During the king’s recent hospital procedure for benign prostate enlargement, a separate issue of concern was noted. Subsequent diagnostic tests have identified a form of cancer,” the statement shares. 

The King, who was seen enjoying a church service in Sandringham on Sunday, began ‘regular treatments’ on Monday as an outpatient. Given his healthy lifestyle, and the early detection of his condition, the Palace is hopeful the King will respond well to treatment and will resume his pubic duties in due course. 

The Royal Family’s response

The King’s sons, Prince William and Prince Harry, were reportedly informed of their father’s diagnosis prior to the public statement being released. Prince Harry, who renounced his official duties as a senior member of the Royal Family along with his wife Meghan Markle in 2020, is said to be travelling back to the UK to see the King. 

His oldest son, Prince William, is currently temporarily withdrawn from public duties to support his wife, Catherine Princess of Wales, who is recovering from abdominal surgery. 

It is understood the wider members of the family will step up and take over the King’s public commitments while he undergoes treatment for his cancer. 

What happens when a monarch is ill?

Unlike cashing in one of your token sick days in the office, taking time off is a little more complicated when you’re the country’s head of State and Church. But, like any well-oiled institution, the British royal family has an operational system in place for such an event. 

While the King’s public duties will be postponed or taken over by other members of the family, he will continue his constitutional role as head of State in a private capacity, such as Privy Council meetings and official paperwork. 

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