Medicine

HISTORY

Possible origin of the Black Death

Black Death may have originated in the region of Eurasia that is now Kyrgyzstan, west of China

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Health

Fewer cases of malaria during pregnancy

Cases of gestational malaria have decreased in Brazil over the last decade

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HEALTH

Mysterious childhood hepatitis

A new disease of unknown causes has already caused outbreaks in more than 20 countries, including Brazil

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Medicine

Transplanted heart was infected

Pig heart transplanted into human patient in January was infected with porcine virus

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GOOD PRACTICES

Journal publishes list of authors whose articles have been retracted for misconduct

Medical science journal Cureus exposes scientists on its “Wall of Shame”

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INTERVIEW

Helena Nader: Brazilian science still does not reflect the Brazilian people

UNIFESP biomedical scientist and the first woman to preside over the Brazilian Academy of Sciences talks about the importance of affirmative action and highlights education as a priority

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INTERVIEW

Margareth Dalcolmo: Pandemic scars

The physician-researcher discusses the difficulties faced by health professionals dealing with Covid-19, the dramatic struggles of patients she attended, and the likelihood of an increase in tuberculosis cases in the coming years

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Health

Nasal COVID-19 vaccine

Research into intranasal vaccines against Covid-19 is advancing

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Engineering

A robot that treats strokes remotely

Researchers have developed robotic system that can treat aneurysms remotely

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Genetics

Mutations raise schizophrenia risk

Studies show that mutations can increase the risk of schizophrenia

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Technology

Communication temporarily restored

Electrodes implanted in the brain appear to have helped a paralyzed man communicate

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COVID-19

Omicron and children

Hospitalization of children was higher during the Omicron outbreak

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INFECTIOUS DISEASES

A long-sought cure may be closer

Experimental treatment able to control HIV for six months after stopping antiretrovirals

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ENGINEERING

A robot guide dog for the blind

Startup from Espírito Santo launches robotic guide dog to help the blind

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Neuroscience

Epilepsy in vitro

Researchers use lab-grown mini-brains to simulate a type of epilepsy that is unresponsive to treatment

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Medicine

Walking again thanks to new implant

Pacients with spinal cord injuries were able to walk after implanted with special electrodes

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Interview

Sergio Tufik: The sleep observer

A medical researcher who began to study the effects of sleep deprivation nearly 50 years ago eventually created one of the world's most productive sleep research teams

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Careers

Medical emergency

Recent studies address the adversities faced by new healthcare professionals during the Covid-19 pandemic

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COVID-19

The efficiency of masks

Tests reveal how and to what extent different types of masks limit the airborne spread of infectious diseases

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COVID-19

Environmental damage caused by COVID-19

The pandemic has aggravated the heavy production and inappropriate disposal of plastic

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PANDEMIC

Infection and elite athletes

Elite athletes also need time to recover after being infected by the novel coronavirus

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Medicine

An unprecedented heart transplant

An unprecedented heart transplant

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Retrospect

Side effects of hunger

In 1865, a Brazilian physician described an eye disease caused by malnutrition that was common among black slaves

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Funding

Committed effort

Survey finds investment in cancer research has fallen in Brazil

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INTERVIEW

Eloisa Bonfá: Fighting for life

As clinical director of the USP Hospital das Clínicas for more than a decade, COVID-19 has put the rheumatologist’s planning skills to the test

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COVID-19

New coronavirus drugs

Pharmaceuticals announce orally administered drugs designed to treat the disease caused by SARS-Cov-2

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SEARCH

Return to research

Francis Collins has stepped down from his position as director of the US National Institutes of Health

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MEDICINE

Problems in cancer studies

Problems in cancer studies

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Linguistics

A neglected threat to ethnobotany

Study shows that language extinction could lead to incalculable losses of medicinal knowledge

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Covid-19

Increasing anxiety and depression

The COVID-19 pandemic has led to 129.4 million new cases of anxiety and depression worldwide

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