Study finds consumption of sugary drinks linked with cancer risk

Maricruz Casares
Julio 11, 2019

Those people who drank the most sugary drinks, at 185.8ml per day on average, who then consumed an extra 100ml per day, had a 30% increased risk of all cancers.

The same volume of traditional fizzy drink increased the overall cancer risk by 18 per cent and the breast cancer risk by 22 per cent.

However, until now it has been hard to tease out the extent to which sugary fruit juices and fizzy drinks also increase the risk of cancer per se.

The study's observational design means it can show patterns in the data it collects but cannot prove a definitive link between cause and effect, which means scientists could not say that consuming sugary drinks causes cancer.

Drinking large amounts of fruit juice may raise your risk of cancer, according to a big study which has found a link between the regular consumption of all kinds of sugary drinks and the likelihood of developing the disease.

Their intake of more than 3,000 different food and drink items was assessed at the start of the study and every six months, with each person completing at least two 24-hour dietary questionnaires.

There's more bad news for fans of sugary drinks such as soda and fruit juice.

Among women, researchers found drinking the same amount was linked to a 22% increased risk of specifically breast cancer in women.

However, Catherine Collins, a dietician in the UK's National Health Service, said that the absence of cancer risk in using diet drinks was the "take-home message" of the research.

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People who drink a lot of sugary drinks have a higher risk of developing cancer, although the evidence can not establish a direct causal link, researchers said on Thursday.

Sugary drinks have increased in popularity all around the world and these drinks have already been linked to obesity.

They pointed to other research which suggested that sugary drinks promoted body fat around the abdomen, even if a person was a healthy weight, which in turn promoted the growth of tumours.

He added: "Participants were followed on average for about five years, and 22 participants per 1,000 developed some form of cancer".

For prostate and colorectal cancers, no link was found, but the researchers said this might have been because the numbers of cases of these cancers in the study participants was limited.

Touvier suggested that people should stick to public health guidelines that recommend limiting sugary drinks to a maximum of one glass a day.

"It's important for people to know that all beverages - either with sugar or without are safe to consume as part of a balanced diet", Danielle Smotkin, a spokeswoman for the American Beverage Association said in a statement.

"More research is needed to understand if there is a direct link between sugary drinks and cancer", she added.

When the sugary drinkers were divided into those who drank fruit juices and those who drank other sweet drinks, both groups were also linked with a higher risk of overall cancer. "Instead, rely on water to quench your thirst".

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