Urinary/Excretory System

Vasectomia é para sempre? Descubra por que alguns homens conseguem ter filhos de novo e o que decide o sucesso da reversão.

A síndrome nefrítica é uma inflamação súbita nos rins que causa urina escura, inchaço e pressão alta. Veja causas, sintomas, diagnóstico e tratamento.

Entenda as diferenças entre incontinência urinária de esforço, de urgência e mista, os exames para diagnóstico, o tratamento da bexiga hiperativa, fisioterapia pélvica e quando a cirurgia é indicada.

O que é o xenotransplante renal, o caso recente de 271 dias sem diálise, riscos, benefícios e quais doenças levam à necessidade de um transplante de rim.

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.

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.

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.

Paracetamol, ibuprofeno e dipirona em excesso podem intoxicar o fígado e os rins. Veja doses de risco, sintomas de alerta e quando procurar ajuda.

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.

A Síndrome de Sjögren é uma doença autoimune crônica que causa secura persistente nos olhos e na boca, além de poder afetar articulações, pele, pulmões e outros órgãos. Entenda quais são todos os sintomas e manifestações, como é feito o diagnóstico, quais são os fatores de risco, o que piora os sintomas no dia a dia.

Did you know that it is possible to "fail a doping test" even without ever having used anything to improve athletic performance? In this article, we explain in simple terms what doping is, which common medications (such as flu remedies and cough syrups) and even teas, like coca leaf tea, can lead to a positive result without the person realizing it.

Palliative care is not only for the end of life. Understand what it is, when it is indicated, and how this care works, before you need to make that decision.

Does serum therapy really work? For healthy people, science shows that intravenous infusion of vitamins is not superior to oral supplementation and carries avoidable risks.

Blood glucose, triglycerides, iron: see which blood tests require fasting, for how long and why. Complete blood count and TSH can be done without fasting.

Understand what is a work accident, commute accident, and occupational disease. Learn what changed in worker health standards in 2026, including mental health, burnout, and psychosocial risks in the work environment.

A new Ebola outbreak in Central Africa put international health authorities on alert in 2026. The World Health Organization (WHO) declared an international emergency after 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 experts are monitoring the situation closely.

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.

Do you really need to take vitamins every day? In this text, I explain clearly how to choose, when to use, and how to improve absorption, avoiding common mistakes that can compromise your health.

Prostate cancer does not start with symptoms, it starts with silence. And that is exactly why so many men discover it too late. If you want to make decisions based on information and not on fear or guesswork, this is content worth reading to the end.

The expression "clitoral phimosis" has gained ground in internet searches and even in medical offices. Despite this, it is not a formal technical term in gynecology. In practice, what is often being described is a condition called clitoral hood adhesion, which involves difficulty in retracting the skin that covers the clitoris. Understanding what this means and, most importantly, when it really matters from a medical point of view is essential to avoid both underdiagnosis and unnecessary interventions.

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.

The use of vitamins has become common in the routine of many people, often associated with the idea of "taking care of health". But, from a medical point of view, this practice requires more judgment than it appears. Not all supplementation is necessary and, in some cases, it can pose risks.