Physiology

Physiology

Challenging beliefs

Blood vessels, not just nerves, release compounds that modulate heart rate and blood pressure

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Psychology

Good ball skills and reasoning

Players from elite Brazilian soccer teams present better memory, planning ability, and mental versatility than nonathletes of the same age do

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Physiology

Physical exercise reduces death of insulin-producing cells

Physical exercise reduces death of insulin-producing cells

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PSYCHOLOGY

Elite soccer players are good planners with mental versatility

Study investigated personality traits and cognitive abilities of 153 athletes from the top Brazilian soccer league and 51 from Sweden’s

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PHYSIOLOGY

Blood vessels release compounds that modulate heart strength and blood pressure

Conclusion is based on studies involving reptiles, rodents, and humans, described in more than 30 articles published in recent years

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PHYSIOLOGY

Study seeks to explain why Alzheimer’s is more common in women

Levels of molecules linked to energy production and gene activation control are lower in females with varying degrees of dementia

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IMMUNOLOGY

Genetic analysis and autopsies reveal how yellow fever progresses

Genetic analysis and autopsies reveal how yellow fever progresses

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Physiology

Immune cells carry microplastics to the brain

Ingested microplastics can reach the brain within hours

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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

“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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COVER

Life immersed in microplastics

Microscopic particles, which have already been found in various organs and tissues of the human body, have now been identified in the brain

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Entomology

Styrofoam-eating beetles

Kenyan beetle larvae can digest Styrofoam as part of a balanced diet

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Physiology

Neurotransmitter with dual function protects against obesity

Molecule known to act on the brain, stimulating appetite and weight gain, has the opposite effect when secreted by peripheral nerves, helping to burn fat

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Physiology

Fighting baldness with sugar

Sugar produced by the body could help tackle baldness

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PHYSIOLOGY

When soccer meets science

Research on recent World Cups begins to bridge the gap between sports and science

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ECOLOGY

A bacterial coating that protects amphibians

Sensitive to climate change and pollutants, frogs and toads resist toxins with the help of skin microbiota

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PHYSIOLOGY

Neurons at the base of the brain control compulsive food-seeking

Neurons at the base of the brain control compulsive food-seeking

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Nobel Prize

Eleven people received a Nobel Prize in 2023

Four were women, the same number as in 2018 and 2020, only lower than in 2009, when there were five winners

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IMMUNOLOGY

Studies identify actions of immune cells that harm the body during sepsis

Erroneous response by the immune system as a result of an infection affects 420,000 people per year in Brazil and kills 230,000

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Physiology

Maternal hormones affect brain areas that control hunger and satiety in the fetus

Studies suggest that metabolism can be programmed from gestation, leading to obesity and diabetes

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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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