Epidemiology

Public health

Contaminated food and water infected nearly 20,000 people in 2023

There were 31 deaths caused by viruses or bacteria that year—more than in 2022

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Epidemiology

Bolsa Família program prevented 8.2 million hospitalizations and 713,000 deaths between 2004 and 2019

Estimate is based on data from 3,671 Brazilian municipalities, home to 90% of the population

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Medicine

New way to identify muscle weakness

Value revision for sarcopenia diagnosis doubles case count

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Retrospect

Launched 70 years ago, the polio vaccine has prevented thousands of deaths

Now, the low immunization rate is paving the way for polio to return

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Public health

New criteria for healthy eating

Recent studies suggest that what we eat can add or subtract years of healthy life, offering guidelines for an environmentally friendly diet

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Epidemiology

Survey records high use of vapes among young people

Most teens continue to use e-cigarettes after trying them for the first time

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Technology

Detecting cancer with microwaves

Scientists test microwave device for detecting cancer in blood

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Healthcare

Microwaves to hunt tumors

New generation of imaging systems will avoid the breast compression and radiation of traditional mammography

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Epidemiology

Bacteria that causes leprosy was present in the Americas before the Europeans

Mycobacterium leprae, the main species, was brought over by the Europeans, but M. lepromatosis had already been on the continent for at least 1,000 years

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Public health

Number of scorpion stings increased by 154% in Brazil from 2014 to 2023

The Southeast and Northeast regions were where the highest numbers of cases occurred

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Medicine

Another way to measure blood cholesterol

Combination of lipoprotein markers could more accurately assess heart disease risk

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Retrospect

Paula Souza’s ideas still guide public health in Brazil

Doctor from São Paulo brought the concept of health centers from the USA and promoted good nutrition as a disease prevention strategy

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Public health

Think carefully before drinking soda or sweetened coffee

Think carefully before drinking soda or sweetened coffee

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Public health

Breast and cervical cancer mortality rising in Brazil

Increase is more pronounced among women under 40 years old

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Public health

Chikungunya vaccine arrives in Brazil

ANVISA approves Chikungunya vaccine for use in Brazil

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HEALTH

Brazilians develop breast examination device that uses microwaves

Device is designed to dispense with the need for breast compression and ionizing radiation used in traditional mammograms

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EPIDEMIOLOGY

Antimicrobial-resistant bacteria could kill 39 million people by 2050

Almost 10% of deaths are expected to occur in Latin America and the Caribbean

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interview

Maria Amélia Veras: A keen eye for disparities

Dr. Maria Amélia Veras investigates the living conditions of transgender and homosexual individuals, alongside viral factors, to curb the spread of sexually transmitted infections

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Epidemiology

Stay away from wild birds

US reports first human death linked to highly pathogenic strain of H5N1 virus

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RETROSPECT

Austregésilo Lima, in the shadow of Freud

Psychotherapy critic and theorist, neurologist, and psychiatrist from Pernambuco improved the diagnosis of hysteria and spoke openly about sex in the early twentieth century

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interview

“If left untreated, bipolar disorder is a progressive disease,” says psychiatrist Flávio Kapczinski

UFRGS researcher is part of an international group defining the progressive stages of the disorder and is leading a survey of mental illnesses in Brazil

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Public Health

Trans women continue to suffer from poor health and prejudice

Study with 1,317 participants in five state capitals finds persistently high rates of sexually transmitted infections (STIs) and obstacles that limit access to health services

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Veterinary Science

Bird flu can be transmitted between mammals

Brazilian study suggests H5N1 virus has spread among sea lions in South America

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Medicine

Aggressive variant of the Oropouche virus circulating in Brazil

New strain multiplies rapidly and could facilitate transmission

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Epidemiology

Suicide by drug overdose in Brazil has increased by 2.6 times in 20 years

Increase coincides with periods of domestic and global economic crisis

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Epidemiology

Mpox emergency

World Health Organization declared mpox outbreak a health emergency in August 2024

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Public Health

New mycosis spreads

Mycosis caused by fungi of the genus Sporothrix spreads across Brazil

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RETROSPECT

The past dangers of receiving blood

Until early 20th century discoveries, transfusions depended essentially on luck

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VIROLOGY

Study identifies how the Chikungunya virus causes death

Infectious agent causes dysregulated metabolism and inflammation in multiple organs, including the brain

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EPIDEMIOLOGY

Children one centimeter taller and a few grams heavier

One in 10 children aged three and over is overweight

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