Medicine

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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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Pharmacology

University of Oxford in Brazil

The Brazilian Ministry of Health signed a term of commitment with the University of Oxford, UK, to establish a clinical research and development center in Rio de Janeiro for the British institution’s drugs and vaccines

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Nuclear medicine

Radiopharmaceuticals under threat

Radiopharmaceutical crisis leads to debate over production model

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Nobel Prize

Everything as before

The Royal Swedish Academy of Sciences decided not to award this year’s Nobel Prize to the development of mRNA-based vaccines

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COVID-19

Oxygen supply

Brazilian startups offer new ways of monitoring essential medical supplies for patients with respiratory failure

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Physiology

A vein under pressure

Following transplantation to the heart in surgeries to treat coronary artery disease, saphenous veins undergo drastic restructuring and can become clogged

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Gender

Articles by women receive fewer citations

Scientific papers published by women in prestigious medical journals tend to receive fewer citations than similar studies authored by men

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Computation

Tuberculosis screening algorithm

Researchers have devised a computer-aided technique for interpreting digital chest radiography images and identifying new cases of tuberculosis

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Careers

Scientist in training

Nursing student at UFMG awarded for her undergraduate research on the treatment of tegumentary leishmaniasis

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Innovation

Wireless pacemaker dissolves in the body

Researchers have developed a wireless, battery-free pacemaker

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HEALTH

Digital diagnosis

Software capable of identifying skin cancer with greater than 90% accuracy

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RETROSPECT

The shadow of the white plague

Tuberculosis persists, even 100 years after its vaccine was invented

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COVID-19

Limited use

ANVISA authorizes the use of three COVID-19 drugs, but they are expensive and designed only for specific situations

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COVID-19

Severe illness in children

A rare syndrome linked to the novel coronavirus causes lesions in multiple organs

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COVID-19

Lasting consequences

People who survive SARS-CoV-2, even those not hospitalized, can suffer the effects of the infection for months after the most intense symptoms subside

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COVID-19

The virus and the loss of smell

The loss of smell that affects up to two-thirds of people infected with SARS-CoV-2 is a consequence of both the direct action of the virus and the inflammation it triggers in the olfactory system, according to a team of researchers

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Profile

The poetry of science

Researcher from Rio Grande do Sul who specializes in brain and heart disease risk factors named on IARC's list of scientists of the year

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OBITUARY

The road to excellence

Fulvio Pileggi turned InCor into an important research and medical care institution

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Good practices

Trust and transparency

Studies focus on conflicts of interest in medical science

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COVID-19

New clues about blood clots linked to the AstraZeneca vaccine

A step has been taken towards explaining why the vaccine developed by the pharmaceutical company AstraZeneca can very rarely lead to the formation of blood clots

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COVID-19

The months-long consequences of COVID-19

The long-term effects of COVID-19 are becoming clearer

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Good practices

Alarming medical research in Iran

A group of researchers from various universities in Iran recently sent a scientific integrity questionnaire to professors at medical schools around the country

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Retrospect

The discovery of insulin

The purification and pharmaceutical formulation of the hormone insulin, beginning 100 years ago, and its production in Brazil half a century ago, brought diabetes under control

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Interview

Gabriel Liguori: A bioartificial heart on the horizon

The creator of bioengineering startup TissueLabs discusses how he has sought to overcome the challenges involved in the construction of human tissues and organs with 3D printers

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Innovation

Life support

Brazilian firm develops native out-of-body oxygenation system for patients in critical condition

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Covid-19

Antibodies reduce deaths

A clinical trial led by researchers at the University of Oxford, UK, identified a second drug capable of reducing mortality among patients with severe COVID-19

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Retrospect

Physician, anthropologist, and broadcaster

Inquisitive and inventive, Edgard Roquette-Pinto participated in the country’s antiracial movements and the introduction of radio

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