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Nervous System

Explore articles about nervous system.

20/10/2026
Nervous System
Fobia social após o bullying tem tratamento? Entenda como o cérebro aprende o medo e como ele pode reaprender
Por que o medo de ser julgado persiste anos depois do bullying? A resposta está no cérebro, e a ciência mostra que ele também pode reaprender.
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16/10/2026
Nervous System
Exame de sangue para Alzheimer: quem deve fazer?
Um exame de sangue já aponta sinais do Alzheimer, mas quase ninguém sabe quem NÃO deve fazê-lo. Veja indicações, limites e o que o resultado revela.
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06/10/2026
Nervous System
Paralisia de Bell: o que é, por que acontece e tem cura?
Acordou com o rosto torto? Nem sempre é AVC. Entenda a paralisia de Bell e por que as primeiras 72 horas fazem tanta diferença.
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30/09/2026
Nervous System
Burnout: o que acontece com a mente e o corpo quando a pressão no trabalho não tem fim?
Prazo mudou de última hora e a sua saúde mental foi junto? Entenda como a pressão no trabalho leva ao burnout, à ansiedade e ao pânico, e o que fazer para se cuidar.
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26/09/2026
Nervous SystemSensory System
Surto psicótico por maconha pode virar esquizofrenia ou bipolaridade?
A maconha causa esquizofrenia ou só revela uma doença que já estava ali? Veja o que a ciência diz sobre o risco real de um surto psicótico virar algo crônico.
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25/09/2026
Nervous System
Enxaqueca crônica e vestibular: como a toxina botulínica pode ajudar no tratamento?
Tontura junto com a dor de cabeça pode ser enxaqueca vestibular? Veja como identificar a enxaqueca com e sem aura e como a toxina botulínica pode ajudar quando outros tratamentos não funcionam.
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24/09/2026
Nervous SystemSensory System
O que é neurite vestibular e por que ela pode fazer uma pessoa acordar sem conseguir sair da cama?
Acordou e o quarto girava sem parar? Pode ser neurite vestibular, mas nem toda vertigem é igual. Entenda sintomas, tratamento e sinais de alerta.
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20/09/2026
Nervous System
Higiene do sono: horário ideal para dormir, água antes de deitar e a melhor posição para descansar
Descubra o horário certo para dormir, até que horas beber água antes de deitar e qual a melhor posição para ter uma noite de sono realmente reparadora.
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14/09/2026
Nervous System
Alguém Desmaiou na Sua Frente? O Que Fazer, o Que Contar ao Médico e Quando é Hospital
Alguém desmaiou perto de você? Veja o que fazer na hora, por que o tapa no rosto não ajuda, o que contar ao médico e quando o desmaio exige ida ao hospital.
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13/09/2026
Nervous System
Remédio do Parkinson Pode Causar Vício em Jogo? Entenda o Transtorno do Controle de Impulsos Induzido por Medicamentos
Remédios do Parkinson como pramipexol e ropinirol podem causar jogo patológico. Entenda como isso acontece, os fatores de risco e o diagnóstico diferencial.
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09/09/2026
Nervous System
Aquipta (Atogepanto): o que é, para que serve e como funciona na prevenção da enxaqueca
Entenda o que é a enxaqueca, por que ela é incapacitante, como funciona o Aquipta (atogepanto) na prevenção das crises, os critérios diagnósticos e outras opções de tratamento preventivo e abortivo.
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05/09/2026
Nervous System
Meningite Meningocócica: o que é, sintomas, transmissão, prevenção e tratamento
Entenda o que é a meningite meningocócica, seus sintomas iniciais e tardios, como se pega, tempo de incubação, fatores de risco, prevenção e tratamento.
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02/09/2026
Cardiovascular SystemNervous SystemRespiratory System
Setembro Colorido: o que significa cada cor das campanhas de conscientização
Entenda o que representa cada cor de setembro (Amarelo, Verde, Vermelho, Roxo e Dourado) e por que essas campanhas de conscientização em saúde importam para você e sua família.
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30/08/2026
Cardiovascular SystemDigestive SystemEndocrine SystemSkeletal SystemLymphatic and Immune SystemMuscular SystemNervous SystemReproductive SystemRespiratory SystemSensory SystemIntegumentary SystemUrinary/Excretory System
A importância do diagnóstico correto e os riscos de não esgotar o diagnóstico diferencial
Entenda por que o diagnóstico diferencial é essencial na medicina, quais doenças (inclusive raras) são frequentemente confundidas entre si e o que acontece quando o tratamento é iniciado de forma equivocada.
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29/08/2026
Respiratory SystemNervous SystemLymphatic and Immune System
Vacina Antitabagismo: Como Funciona e Quando Pode Chegar aos Pacientes
Entenda como funciona a vacina antitabagismo, por que tentativas anteriores não deram certo e quais fases ainda faltam até que ela chegue aos pacientes.
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27/08/2026
Lymphatic and Immune SystemNervous System
Vacina para Herpes Zóster: Como Funciona, Quem Deve Tomar e Disponibilidade no SUS
Entenda o que é a herpes zóster (cobreiro), como o vírus se reativa, fatores de risco, complicações e tudo sobre a vacina, incluindo quem pode se vacinar pelo SUS.
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26/08/2026
Lymphatic and Immune SystemNervous SystemRespiratory SystemIntegumentary System
Febre do Nilo Ocidental: sintomas, transmissão, diagnóstico e prevenção
Entenda o que é o vírus do Nilo Ocidental, como ocorre a transmissão pelo pernilongo (mosquito Culex), quais são os sintomas em humanos, como é feito o diagnóstico, o tratamento disponível e as formas de prevenção.
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25/08/2026
Nervous SystemRespiratory System
Ameba comedora de cérebro (Naegleria fowleri): o que é e como se proteger
Entenda o que é a Naegleria fowleri, a ameba comedora de cérebro, como ocorre o contágio, por que não existe tratamento eficaz e quais cuidados reduzem o risco de infecção.
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24/08/2026
Cardiovascular SystemDigestive SystemEndocrine SystemSkeletal SystemLymphatic and Immune SystemMuscular SystemNervous SystemReproductive SystemRespiratory SystemSensory SystemIntegumentary SystemUrinary/Excretory System
Primeiros 30 dias do bebê: sinais normais e sinais de alerta que os pais precisam conhecer
Saiba diferenciar sinais fisiológicos normais dos sinais de alerta de doenças no recém-nascido durante os primeiros 30 dias de vida, e entenda quais podem ser evitadas com diagnóstico precoce.
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23/08/2026
Nervous System
Transtorno de Personalidade Borderline: manifestações, diagnóstico, causas e complicações
Entenda como se manifesta o Transtorno de Personalidade Borderline, como é feito o diagnóstico, se tem origem genética ou ambiental, quais os fatores de risco e possíveis complicações.
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22/08/2026
Nervous System
Zolpidem: consequências do uso, por que é preciso dormir na hora e o que diz o estudo sobre demência
Entenda como o zolpidem age no cérebro, por que não dormir logo após tomar pode causar comportamentos perigosos, quem deve usar o remédio e o que a ciência já descobriu sobre o risco de demência.
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21/08/2026
Nervous SystemMuscular SystemSensory SystemDigestive SystemCardiovascular SystemSkeletal SystemRespiratory System
Doença de Creutzfeldt-Jakob: sintomas, diagnóstico e tratamento explicados
O que é a Doença de Creutzfeldt-Jakob, quais os sintomas, como é feito o diagnóstico e o que a ciência já descobriu sobre tratamento e pesquisa.
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19/08/2026
Respiratory SystemSensory SystemIntegumentary SystemUrinary/Excretory SystemCardiovascular SystemDigestive SystemEndocrine SystemSkeletal SystemLymphatic and Immune SystemMuscular SystemNervous SystemReproductive System
Resultado ruim é sempre erro médico? Entenda a diferença
Nem todo resultado ruim em cirurgia ou tratamento é erro médico. Entenda a diferença entre risco inerente e as três formas de erro médico, com exemplos simples.
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16/08/2026
Cardiovascular SystemDigestive SystemEndocrine SystemSkeletal SystemLymphatic and Immune SystemMuscular SystemNervous SystemReproductive SystemRespiratory SystemSensory SystemIntegumentary SystemUrinary/Excretory System
Reta final da gravidez: o que o corpo avisa nas últimas semanas de gestação
Nas últimas semanas de gravidez, o corpo muda de várias formas: dor nas costas, inchaço e contrações leves são esperados, mas alguns sinais como coceira nas mãos e nos pés, dor de cabeça forte ou redução dos movimentos do bebê merecem avaliação médica. Explicação do que é normal, o que exige atenção e cuidados pouco comentados para atravessar a reta final da gestação com mais segurança.
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14/08/2026
Nervous SystemSensory System
O Que São Transtornos de Personalidade? Entenda os 3 Grupos (A, B e C)
Entenda de forma simples os três grupos de transtornos de personalidade (A, B e C) reconhecidos pela psiquiatria: quais são os transtornos (paranoide, esquizoide, esquizotípica, antissocial, borderline, histriônica, narcisista, evitativa, dependente e obsessivo-compulsiva), quais são as principais características e sintomas, e como diferenciá-los na prática.
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12/08/2026
Nervous SystemSensory SystemCardiovascular System
Bebo socialmente ou já é considerado alcoolismo? Entenda quais os critérios diagnósticos, tratamento e como fazer essa distinção
Consumo social de álcool pode virar alcoolismo. Veja os critérios do DSM-5, os testes AUDIT e CAGE, e saiba quando buscar tratamento médico.
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11/08/2026
Nervous SystemSensory System
Vertigem Posicional Paroxística Benigna: por que o mundo gira quando você move a cabeça?
Vertigem Posicional Paroxística Benigna (VPPB) é a causa mais comum de tontura e provoca crises rápidas de sensação de giro ao mexer a cabeça, causadas por pequenas pedrinhas soltas dentro do ouvido. Entenda o que é essa vertigem, seus sintomas, os fatores de risco, o que piora e o que melhora as crises, e como o tratamento com manobras de reposicionamento resolve o problema rapidamente, sem cirurgia.
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07/08/2026
Muscular SystemNervous System
Myasthenia gravis: why muscles can become fatigued prematurely
Myasthenia gravis is a disease in which the body's own defence system attacks the communication between nerves and muscles. In this article you will understand what causes the disease, the early symptoms, who is at higher risk, whether prevention exists, how treatment works and which signs require immediate medical attention.
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06/08/2026
Nervous SystemRespiratory System
O Luto tem fases, mas não tem regras: da negação a aceitação, com Base Científica
Entenda, com base científica, as fases do luto (negação, raiva, barganha, depressão e aceitação), como cada uma costuma se manifestar, em quais sinais é hora de buscar ajuda.
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05/08/2026
Cardiovascular SystemEndocrine SystemNervous System
Is sleeping outside the "normal" schedule harmful? What science says about split sleep, night shift work and the mattress myth
Is sleeping 8 hours straight really mandatory? Understand what science truly knows about sleep divided into two blocks, about those who switch day for night because of work and why the story that a mattress factory invented "8-hour sleep" is not true.
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01/08/2026
Muscular SystemEndocrine SystemSkeletal SystemCardiovascular SystemNervous SystemSensory SystemIntegumentary System
Rage: when contact with an animal requires vaccination
Discover when contact with a bat or an animal bite requires the rabies vaccine, how the observation criterion for dogs and cats works, what symptoms rabies causes in humans and how to identify signs of the disease in animals.
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31/07/2026
Nervous SystemUrinary/Excretory SystemLymphatic and Immune SystemDigestive System
Doping: what it is, what may catch you off guard, and how the test works
Did you know that it is possible to "test positive for doping" even without ever using anything to enhance athletic performance? In this article, we explain in simple terms what doping is, which common medicines (such as cold and flu remedies and cough syrups) and even teas, such as coca leaf tea, can lead to a positive result without the person realising.
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27/07/2026
Integumentary SystemMuscular SystemReproductive SystemSensory SystemCardiovascular SystemNervous SystemEndocrine SystemLymphatic and Immune SystemDigestive SystemRespiratory SystemUrinary/Excretory SystemSkeletal System
Palliative care: what it is, when it begins and why you need to understand it before you need it
Palliative care is not just for the end of life. Understand what it is, when it is indicated and how this care works, before you need to make a decision.
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26/07/2026
Lymphatic and Immune SystemNervous System
Toxoplasmosis in pregnancy: what every expectant mother needs to know (and what applies to everyone)
Toxoplasmosis in pregnancy: understand the risks for the baby, the first signs and how to prevent it. Also see what happens in people outside pregnancy.
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21/07/2026
Nervous System
Anxious Generation: what science already knows about mobile phones, AI and adolescent mental health
Recent studies associate excessive mobile phone and AI use with anxiety, insomnia and loneliness in adolescents. Understand the symptoms and when to seek help.
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19/07/2026
Nervous System
Diet and Mental Health: What Science Already Knows About the Relationship Between Food and the Mind
Depression, anxiety and diet: understand what recent studies show about the relationship between nutrition, intestinal microbiota and mental health.
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19/07/2026
Nervous SystemEndocrine System
"I still see myself as overweight": body image distortion in those who lose weight with weight loss pens
Why many people still see themselves as "fat" after losing weight with weight loss pens? Understand phantom fat and how the brain adjusts to the new body.
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14/07/2026
Nervous System
Latin American Study Reveals 5 Habits That Delay Cognitive Decline
New study with over a thousand elderly people in Latin America shows that 5 simple habits can slow cognitive decline. See which ones they are and how to apply them in everyday life.
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12/07/2026
Nervous System
Heat and antidepressants: why do some medications require extra caution in summer?
Some antidepressants, such as tricyclics, make it difficult for the body to lose heat and may increase the risk of dehydration and heat stroke on hot days. The effect on mood does not change, but care with hydration and sun exposure needs to be doubled.
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06/07/2026
Nervous SystemSensory System
Dizziness When Getting Out of Bed: When It's Normal and When You Should Be Concerned
Dizziness when getting out of bed: understand when it is merely natural blood pressure adjustment and when it can be a warning sign. See what to do to improve.
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22/06/2026
Cardiovascular SystemLymphatic and Immune SystemNervous SystemEndocrine SystemDigestive SystemRespiratory SystemUrinary/Excretory SystemSkeletal SystemIntegumentary SystemMuscular SystemReproductive SystemSensory System
Do all blood tests require fasting?
Blood glucose, triglycerides, iron: see which blood tests require fasting, for how long and why. Full blood count and TSH can be done without fasting.
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18/06/2026
Nervous System
18 June: Brazil has a new National Day of Autism Pride, and this matters for medicine
18 June is Autism Pride Day. Understand what ASD is, the 3 support levels and how this changes diagnosis and treatment. With clinical cases.
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14/06/2026
Reproductive SystemNervous System
Congenital Syphilis: What Happens When Infection Arrives Before Birth
Congenital syphilis: understand how the infection passes from mother to baby, what the consequences are, the necessary tests and treatments with penicillin during pregnancy.
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30/05/2026
Nervous SystemCardiovascular SystemDigestive SystemRespiratory SystemSkeletal SystemUrinary/Excretory SystemIntegumentary SystemMuscular SystemReproductive SystemSensory SystemLymphatic and Immune SystemEndocrine System
Occupational Health: understand what workplace accidents are, occupational diseases and the most recent updates on mental health in the professional environment
Understand what is a work accident, commute accident and occupational disease. Find out what changed in worker health standards in 2026, including mental health, burnout and psychosocial risks in the workplace.
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23/05/2026
Nervous System
NR-1 Updated 2026: Mental Health in Companies and Compliance with GRO/PGR
Preventive medical practice for companies in accordance with the new NR-1. Health education in corporate health, psychosocial risks, Burnout, occupational stress and health promotion at work.
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13/05/2026
Sensory SystemNervous SystemDigestive SystemEndocrine SystemMuscular System
"It started with a whistling sound in the ear": tinnitus and hearing changes with Mounjaro® (tirzepatide) use
Understand the possible relationship between Mounjaro® (tirzepatide), tinnitus, dizziness and hearing changes. See symptoms, lesser-known adverse effects and when to seek medical evaluation.
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05/05/2026
Nervous System
Multiple sclerosis: what it is, when to suspect it and how diagnosis and treatment are carried out
Understand what multiple sclerosis is, when to suspect it, how diagnosis is made and current treatments, as well as strategies to relieve fatigue and improve quality of life.
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05/05/2026
Cardiovascular SystemNervous System
Temporal arteritis: when a headache can be more than it appears
Temporal arteritis: understand the symptoms, risk factors, complications and when to seek help. Learn how diagnosis and treatment are performed.
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03/05/2026
Nervous SystemSensory System
Vision Problems: Myopia, Astigmatism, Causes, Prevention and Essential Care
Understand what myopia and astigmatism are, main causes such as screen use and genetics, plus practical prevention tips and when to seek medical evaluation.
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02/05/2026
Cardiovascular SystemNervous SystemEndocrine SystemLymphatic and Immune SystemDigestive SystemRespiratory SystemUrinary/Excretory SystemSkeletal SystemIntegumentary SystemMuscular SystemReproductive SystemSensory System
Water intake: how much to drink, when to drink and why this directly impacts your health
Understand the importance of water for the body, how much you should drink according to your weight, the best times for intake and how to avoid nocturia. Clear content based on physiology.
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23/04/2026
Digestive SystemNervous SystemLymphatic and Immune SystemMuscular SystemSkeletal System
Iron supplementation in newborns: updated recommendations from the Brazilian Society of Pediatrics and Ministry of Health
Understand when and how to supplement iron in newborns and infants, according to the Brazilian Society of Pediatrics and the Ministry of Health, with doses, indications and practical guidance.
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23/04/2026
Nervous SystemCardiovascular System
Do long naps increase the risk of mortality? What does science really show
Frequent and prolonged naps may be associated with increased mortality risk, but context matters. Understand what medicine says and when to worry.
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18/04/2026
Digestive SystemNervous SystemEndocrine System
Cannabidiol (CBD): benefits, indications and risks in the treatment of diseases
Understand how cannabidiol (CBD) acts in the body, its main indications, benefits, side effects and what the National Health Surveillance Agency says about its use in Brazil.
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16/04/2026
Sensory SystemNervous System
Parkinson's disease
Be alert to tremors. Understand which ones you should worry about
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15/04/2026
Digestive SystemNervous System
Coffee Enema: what science really says
Have you heard of coffee enema?
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14/04/2026
Nervous System
ADHD: what it is, symptoms, diagnosis and treatment
Understand ADHD Updates
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05/04/2026
Nervous System
April Blue: Autism Awareness
April Blue is not just a campaign, it is a movement to raise awareness, promote early diagnosis and build a more inclusive society.
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02/04/2026
Endocrine SystemNervous SystemLymphatic and Immune SystemDigestive System
Diet and bowel cancers: what science has already made clear (and what still raises questions)
Diet and bowel cancer are directly related, especially when there is frequent consumption of processed meats, excessive red meat, alcohol and low fibre intake. These factors contribute to intestinal inflammation and increase the risk of tumours, mainly colorectal cancer. Often silent at the beginning, the disease can manifest with signs such as blood in the stools, changes in bowel habits and weight loss. The good news is that dietary choices and appropriate screening can significantly reduce this risk and allow early diagnosis.
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30/03/2026
Nervous System
Parkinson's disease with early onset: what needs to be taken seriously (and what you still have time to do)
Parkinson's disease can also begin before the age of 50 and early signs are usually subtle. Early identification and maintaining regular physical activity are strategies that help preserve function and slow disease progression.
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29/03/2026
Digestive SystemNervous System
Coffee and urgent need to use the bathroom: is this normal?
If you have already had coffee and, a few minutes later, felt an almost immediate urge to go to the bathroom, know this: you are not alone and, more importantly, there is a medical explanation for it. This association between coffee and a more "accelerated" bowel is common and, in most cases, does not represent any health problem.
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26/03/2026
Cardiovascular SystemNervous SystemEndocrine SystemLymphatic and Immune SystemDigestive SystemRespiratory SystemUrinary/Excretory SystemSkeletal SystemIntegumentary SystemMuscular SystemReproductive SystemSensory System
Palliative care: it's not just for end of life
Understand what palliative care is, when it should be initiated and why it is not limited to terminal illnesses. Learn how it improves quality of life.
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20/03/2026
Nervous System
Do you always wake up at the same time during the night? Understand the reason.
Waking up at the same time during the night may not be a coincidence and this is really far from being an isolated case.
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