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Cardiovascular System

Explore articles about cardiovascular system.

01/11/2026
Cardiovascular System
Correr maratona aumenta o risco de morte súbita? O que ninguém conta antes da largada
Viu uma notícia de corredor que passou mal e ficou com medo de correr? Os maiores estudos mostram o que realmente pesa, e o que você pode fazer antes da largada.
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31/10/2026
Cardiovascular System
Peptídeos injetáveis são seguros? CJC-1295 e ipamorelina
Prometem músculo, pele e juventude, mas a Anvisa diz que não há registro. O que a ciência já mostrou sobre CJC-1295 e ipamorelina?
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11/10/2026
Cardiovascular System
Sangue raro existe? Entenda por que alguns tipos sanguíneos podem salvar vidas
Por que algumas pessoas só podem receber um tipo de sangue que quase ninguém tem? Entenda o que torna o sangue raro e como o Cadastro Nacional ajuda.
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01/10/2026
Cardiovascular System
Doação de sangue: o que mudou nas regras e quem pode doar agora?
Fez tatuagem, usa caneta emagrecedora ou passou dos 70 anos e acha que não pode doar sangue? As regras mudaram em 30/09/2026. Veja quem pode doar agora e quanto tempo esperar.
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22/09/2026
Integumentary SystemSensory SystemCardiovascular SystemRespiratory System
O que fazer nas primeiras horas se ficar isolado e sem socorro médico por perto?
O que acontece com o corpo quando o frio, um ferimento e o isolamento se juntam ao mesmo tempo? Veja o que fazer nas primeiras horas, antes que a ajuda chegue.
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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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01/09/2026
Cardiovascular System
Novas diretrizes 2026 para insuficiência cardíaca e infarto: o que muda para você
Entenda as novas diretrizes europeias de 2026 sobre insuficiência cardíaca e infarto do miocárdio.
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31/08/2026
Cardiovascular System
Colesterol Alto: Causas Reais, Riscos à Saúde e Como Reduzir Sem Remédios
Entenda o que realmente causa o colesterol alto, quais doenças graves ele pode provocar, o que é o colesterol hereditário e como reduzir os níveis com mudanças de hábito, com base científica.
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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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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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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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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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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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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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14/07/2026
Cardiovascular SystemMuscular System
Do You Know What the Best Exercise Is for People with High Blood Pressure?
According to the largest meta-analysis ever published on the subject (270 studies, nearly 16,000 participants), isometric exercise, such as wall squats, reduces resting blood pressure more significantly than aerobic exercise, traditional resistance training or HIIT, although all these types of training are beneficial.
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11/07/2026
Cardiovascular SystemMuscular System
Tadalafil as pre-workout: the trend that worries doctors and may cost you dearly in terms of your health
Tadalafil as pre-workout: understand why this practice has grown in gyms, what the real risks are and what science says about the subject.
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05/07/2026
Digestive SystemRespiratory SystemCardiovascular SystemMuscular SystemSkeletal System
Walking Shortly After Eating: Villain of Digestion or Secret Ally to Your Health?
Discover whether walking shortly after meals is good or bad for your health, based on studies on blood glucose, digestion and necessary precautions.
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03/07/2026
Digestive SystemCardiovascular SystemLymphatic and Immune SystemSkeletal System
6,000 Calorie Diet: What Science Says About Raw Milk, Beef Liver and Health
Understand what science says about the 6,000 calorie diet, raw milk, beef liver, sleep, hydration, sun exposure and healthy habits.
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02/07/2026
Cardiovascular SystemEndocrine System
Obesity and heart: why losing weight is (also) a cardiovascular matter
Obesity goes beyond the scales: understand how cardiovascular risk defines treatment and why weight loss pens protect the heart.
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23/06/2026
Cardiovascular System
High Blood Pressure: Understand what is happening inside your body
Understand what arterial hypertension is, how it develops, what the risk factors are, symptoms, diagnosis, complications and forms of treatment. Discover how high blood pressure affects the heart, brain, kidneys, eyes and blood vessels in a simple and evidence-based manner.
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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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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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17/05/2026
Respiratory SystemLymphatic and Immune SystemCardiovascular SystemUrinary/Excretory System
Ebola outbreak in 2026: WHO issues international alert and specialists monitor disease progression
A new Ebola outbreak in Central Africa put international health authorities on alert in 2026. The World Health Organization (WHO) declared an international emergency following a rapid increase in suspected cases and deaths. In this text, understand what Ebola is, how transmission occurs, what the symptoms are, what the current risk is and why specialists are closely monitoring the situation.
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10/05/2026
Respiratory SystemCardiovascular System
Hantavirus: what it is, how transmission occurs and why the infection can be serious
Understand what hantavirus is, how transmission occurs, main symptoms, diagnosis, treatment, risks and ways to prevent infection.
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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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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
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
Cardiovascular SystemIntegumentary System
Recurrent mouth ulcers may be more than you think: understand Behçet's Disease
Recurrent aphthous ulcers, lesions and inflammation may indicate Behçet's disease. See when to suspect it and which doctor to consult.
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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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18/03/2026
Endocrine SystemDigestive SystemCardiovascular System
Does cutting out sugar really help you lose weight?
Although sugar is frequently associated with weight gain, it is not the main culprit: understand the true mechanisms behind weight loss.
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