Public health

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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Nutrition

The only country self-sufficient in food

Guyana is the only country in the world that produces enough basic food to sustain its own population

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Public health

Genome diversity could help SUS

Brazil’s national health system (SUS) could treat diseases more efficiently by making use of databases on ancestry and the wide variety embedded in Brazilian DNA

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Genomics

Brazilians are even more mixed-race than you think

New DNA sequencing of 2,723 people reveals greater Indigenous and African ancestry and highlights violence that marked the formation of the Brazilian population

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Mental health

Depression and anxiety among students

More than half of all students at Brazilian public universities show signs of depression and anxiety

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Public health

Ethiopian holy water brings cholera to Germany and the UK

Ethiopian holy water brings cholera to Germany and the UK

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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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Biomedical engineering

Do you want to improve your sleep and well-being? Check the light and temperature levels

Prototype uses sensors to assess the conditions of indoor environments

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Mental health

Almost 11 million Brazilians gamble in ways that put their health and finances at risk

Estimate is based on a survey of 4,860 people aged over 14 from 349 municipalities

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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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Public health

Weight-loss drugs change eating habits

Weight-loss drugs alter food preferences of the people who use them

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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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CLIMATE CHANGE

Global warming amplifies heat waves, which could affect Brazilian cities up to 15 times a year

This type of extreme event has become more frequent, more intense, and longer-lasting in recent decades

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Public health

Hypertension rate remains high

Almost one in four Brazilians has hypertension, a condition that mainly affects women and the elderly

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Health

Keep video game volume low

WHO launches global standard to protect the hearing of children and young people who play video games

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Nutrition

Unsupervised dieting

One in ten children and teenagers presents some form of disordered eating behavior

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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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Obstetrics

More twins from late motherhood

Late pregnancy leads to higher chance of twins or triplets

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Physiology

Immune cells carry microplastics to the brain

Ingested microplastics can reach the brain within hours

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Public health

Teenagers, get moving!

Drunkenness among Brazilian teenagers higher than in neighboring countries

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Genetics

Sunburn damages RNA

Sunburn damages RNA, not just DNA

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PHYSIOLOGY

Cold and heat killed 142,700 people in Brazilian cities from 1997 to 2018

Cold and heat killed 142,700 people in Brazilian cities from 1997 to 2018

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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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Public health

Lesser-known dangers of alcohol

US Surgeon General warns of link between alcohol consumption and seven types of cancer

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Medicine

Obesity drug disappoints

Anti-obesity drug proves less effective than hoped in clinical trial

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Infectious diseases

Exchanging ideas… and microbes

Social interaction facilitates exchange of microorganisms between people

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