Physiology

ANIMAL TESTING

Regulation establishes guidelines on the use of animals in research and teaching in Brazil

At 1100 pages long, the new manual took a decade to produce

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Obituary

Understanding the kidneys

Gerhard Malnic, a highly productive and influential scholar of renal physiology, inspired generations of researchers

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Medicine

Another sign of oncoming menstruation

In addition to mood swings, depression can be another side effect of menstruation

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Public health

Beware of scorpions, spiders, and lionfish

There were 2.1 million accidents involving venomous animals in Brazil between 2007 and 2019

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Biotechnology

Cell therapy on the radar

Company changes business plan and invests in regenerative medicine in search of a cure for diseases that currently have no treatment

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GOOD PRACTICES

Articles by Nobel Prize winner retracted

Articles by Nobel Prize winner retracted

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Endocrinology

A delicate balance

Brazilians identify new areas of the brain's hunger circuit

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Covid-19

Coronavirus infects the ear

As well as causing a reduced sense of taste and smell, the novel coronavirus can infect inner ear cells, leading to hearing loss and balance problems

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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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Neuroscience

Defenders more at risk of dementia

Heading has been associated for some time with an increased risk of developing neurodegenerative diseases

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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 months-long consequences of COVID-19

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

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COVID-19

Preexisting antibodies against SARS-CoV-2

Antibodies against other varieties of coronavirus are in some cases capable of recognizing SARS-CoV-2 and providing some degree of protection to those who have not yet contracted the COVID-19 pathogen

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Physiology

A new pair of salivary glands

Newly identified salivary glands are located in the area between the nose, ears, and throat

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Cover

The effects of COVID-19

The novel coronavirus can affect the lungs, heart, kidneys, pancreas, and brain, causing long-term damage after the acute phase of the disease has passed

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Careers

Breath work

Respiratory physiotherapy training goes beyond undergraduate level, with increasing opportunities for work in hospitals

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Photolab

Mutilated courtship

Scorpions of the genus Ananteris can shed their stinger when attacked

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Careers

The fight against suffering

Brazilian researcher wins international award for his studies on chronic pain

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Sports

Sports and injuries

Athletes over the age of 30 should pay special attention to injury risk

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Physiology

The orphans of the Romanian dictatorship

Adults who were deprived of food and social contact in their early years have smaller brains, according to a study

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Medicine

Marathons and the heart

The physical preparation for running a marathon for the first time can lower blood pressure and stiffen the aortic valve

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Nobel

A prize for men

This year, the six Nobel Prize categories honored 14 people

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Ethology

High-altitude flight

The bar-headed goose is capable of flying at great heights

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Genetics

New mutations linked to short stature

DNA testing reveals origin of 15% of growth disorders without a known cause in children

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Health

Exercise with blood-flow restriction reduces symptoms of arthritis

Performing low-load resistance exercises can reduce the pain and discomfort of rheumatoid arthritis

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Medicine

Jean Purdy’s overlooked contribution to IVF

British nurse and embryologist Jean Purdy made a decisive contribution to the development of in vitro fertilization

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Physiology

An enemy unknown

Brazilian researchers find that fasting causes growth hormone to activate neurons that induce hunger and undermine weight loss

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INTERVIEW

Glaucius Oliva: Complex structures

Self-declared molecule tamer, physicist marries scientific research with administrative management

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MEDICINE

Reversing Wasting Syndrome

Physical exercise can halt cachexia, the inflammation that induces unwanted weight loss and worsens cancer and other diseases

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