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Reactions: Commission denounces lack of knowledge about the impact of breast cancer on social and personal lives

Although breast cancer mortality has reduced by more than 40% in most high-income countries, a Lancet commission warns that one million people will die from the disease by 2040, especially in low- and middle-income countries. The authors highlight some of the knowledge gaps that persist about the disease, such as the lack of knowledge about the number of patients living with metastatic breast cancer and their needs, or the costs associated with breast cancer - including physical, psychological, social and economic costs - which, according to the authors, are immense but underestimated, and not adequately reflected in global health indicators. 

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Reactions: Analysis shows monoclonal antibody slows motor symptoms in patients with rapidly progressing Parkinson's disease

A monoclonal antibody called prasinezumab reduces the worsening of motor symptoms in people with Parkinson's disease who have rapidly progressive disease, according to an analysis of a phase 2 clinical trial published in Nature Medicine. These findings suggest that clinical efficacy of prasinezumab, which works by binding to alpha-synuclein protein aggregates, is seen after one year of treatment in such patients. According to the authors, more research is needed to determine whether the antibody can be effective in people with slower disease progression after longer periods of treatment. 

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Reactions: two reviews highlight lack of evidence on the use of puberty blockers and hormone treatments in young people

Two systematic reviews published in the Archives of Disease in Childhood warn of the lack of scientific evidence available on the use of puberty blockers and hormones for adolescents with gender-related disorders. In total, both reviews analyse a hundred published studies.

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Reactions: Study estimates that replacing red meat consumption with sardines or anchovies could prevent up to 750,000 deaths by 2050

Switching some of the world's red meat consumption to forage fish - such as sardines, herring or anchovies - would reduce the number of deaths by between 500,000 and 750,000 by 2050, according to a study published in BMJ Global Health. The authors used data projections for that year for both red meat consumption and forage fish catches in 137 countries, substituting one for the other without exceeding the supply limit for the latter. The research estimates that sardines, herring and anchovies could replace 8% of the world's red meat, which would also serve to reduce the prevalence of diet-related diseases.

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Reactions to Peter Higgs' death

The 'father' of the Higgs boson, British physicist Peter Higgs, died on Monday at the age of 94 at his home in Edinburgh (UK), according to a statement released today by the University of Edinburgh. Higgs was awarded the Nobel Prize in Physics in 2013, along with François Englert, for having predicted in 1964 the existence of a new particle, the so-called Higgs boson. This particle was confirmed almost half a century later by experiments at CERN's Large Hadron Collider.

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Reaction: physical contact improves physical and mental health, meta-analysis of studies shows

A review and meta-analysis of 212 studies shows that physical contact is associated with both physical and mental improvement in areas such as anxiety, depression and weight gain in newborns. The benefits were especially true if the contact was with another person, but also with items such as robots. The results are published in the journal Nature Human Behaviour.

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Reaction: Pregnancy is associated with an increase in biological age

Un estudio analizó la edad biológica de más de 1.700 participantes utilizando seis relojes epigenéticos diferentes. Los resultados mostraban que cada embarazo individual reportado por una mujer se correlacionaba con un envejecimiento biológico adicional de dos a tres meses. Estos efectos persistían incluso cuando se tenían en cuenta el estatus socioeconómico, el tabaquismo, la variación genética y la urbanidad del entorno de los participantes. El estudio se publica en PNAS

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Reactions: Study warns of PFAS contamination in global water systems

A "large fraction" of groundwater samples are contaminated by perfluoroalkyl and polyfluoroalkyl substances (PFASs) and would be considered unacceptable for drinking water, a study claims. The analysis, published by Nature Geoscience, brings together data from 273 studies of surface and groundwater samples from around the world since 2004. The exact proportion of samples exceeding the thresholds varies according to the standards considered. For example, 69% of groundwater samples with no known source of contamination exceed the Canadian threshold, but the figure is only 6% if the EU criterion for the sum of all PFASs is considered.

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