Josep Maria Borràs

Josep Maria Borràs

Josep Maria Borràs
Cargo

Scientific coordinator of the National Health System Cancer Strategy and director of the Catalan Oncology Plan

Topics

Proportion of lung cancer cases in nonsmokers associated with pollution is rising

A paper published in The Lancet Respiratory Medicine has analyzed new cases of lung cancer worldwide during the year 2022. While the incidence in women continues to approach that of men, the decrease in tobacco consumption in many countries causes the proportion of cases in non-smokers to increase. This increase is associated with air pollution, especially in countries such as China. 

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High coffee consumption associated with lower risk of head and neck cancer, study finds

According to a meta-analysis of 14 studies involving more than 25,000 people, drinking more than four cups of coffee per day was associated with a lower incidence of head and neck tumors. Drinking between none and one cup of tea was also associated with a slightly decreased risk, although daily consumption of more than one cup of tea was associated with an increased risk of developing laryngeal cancer. The results are published in the journal Cancer

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Incidence of colon cancer continues to rise in young people in many high-income countries, although not in Spain

A team of researchers has analyzed data from the World Health Organization to estimate the incidence of colorectal cancer in 50 countries around the world. Their conclusions, based on records up to 2017, are that in most high-income countries its incidence continues to increase in young people (under 50 years of age). This increase, however, is not observed in Spain. The results are published in the journal The Lancet Oncology.   

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40% of the most common breast tumours can be attributed to excess body fat in postmenopausal women

A study conducted in several Spanish provinces has analysed the relationship between breast cancer and obesity in more than 2,000 postmenopausal women. Its findings are that around 40% of estrogen receptor positive (ER+) cases - the most common type - can be attributed to excess body fat (above 40%). This is much higher than the 10% considered attributable when only a high body mass index is taken into account. The results are published in the Journal of Epidemiology and Community Health.

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Reactions: Study quantifies overdiagnosis of breast cancer in women over 70 in the US

A US study measures the risk of breast cancer overdiagnosis in screening campaigns for women over 70. These are women who are misdiagnosed with cancer after a mammogram, leading to unnecessary treatments that can cause complications, anxiety and financial costs. The study includes more than 54,000 women over the age of 70 who have had a screening mammogram. The retrospective analysis compares the cumulative incidence of breast cancer between two groups: women who continued screening up to 15 years later, and women who did not. The research estimates that 31% of breast cancer cases in women aged 70-74 result from overdiagnosis: it finds 6.1 cases per 100 women who had continued screening, compared with 4.2 cases per 100 women in the second group. The percentage of overdiagnosis increases with the age of the women. The article is published in the Annals of Internal Medicine, along with an editorial.

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Reactions: healthy lifestyle reduces risk of relapse and increases survival in patients with operable breast cancer

A study published in JAMA Network Open has followed 1,340 women with high-risk operable breast cancer. Analysing their lifestyles before, during and after treatment, the researchers conclude that those who followed a healthier pattern - including physical activity, no smoking, high fruit and vegetable intake, and low consumption of meat and sugary drinks - had a 37% lower risk of relapse and a 58% higher chance of survival than those who followed a worse pattern. Although the improvements in absolute risk were much smaller, the authors conclude that "lifestyle interventions may be a safe, inexpensive and feasible adjuvant strategy to delay and prevent recurrence and death from the world's most common cancer".

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Reactions: cancer deaths will decrease this year in Europe, but lung cancer deaths in women will rise in Spain

Un estudio ha estimado las muertes por cáncer que se producirán en la Unión Europea y el Reino Unido en 2023. Comparándolas con las observadas en 2018, estiman que se reducirán en un 6,5 % en hombres y un 3,7 % en mujeres de forma global. Sin embargo, en España aumentará la mortalidad por cáncer de pulmón en mujeres. Los resultados se publican en la revista Annals of Oncology. 

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