Endocrine System

O novo remédio da Lilly fez as pessoas perderem mais que o dobro de peso que a semaglutida em 80 semanas. Mas o que isso muda de verdade para quem tem diabetes tipo 2?

Sentir tremor, suor frio ou tontura durante ou depois do treino pode ser hipoglicemia. Entenda por que isso acontece, os sintomas completos, o que fazer na hora, como prevenir e quando esse sinal pode indicar outra condição de saúde.

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.

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.

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.

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.

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.

ANVISA alerts on illegal sale of retatrutide. Understand what scientific studies have already shown about side effects and the risks of purchasing outside sanitary registration.

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.

Weight loss pens are GLP-1 receptor agonists, such as semaglutide and tirzepatide, indicated for type 2 diabetes and, in specific cases, obesity. Used without medical supervision, they increase the risk of pancreatitis, dehydration and hypoglycaemia, and have caused hospitalisations in Brazil.

What are the symptoms that appear before diabetes? The main signs of prediabetes include frequent nighttime urination, excessive thirst, persistent fatigue, frequent hunger and tingling in the hands and feet. Identifying these symptoms early allows the condition to be reversed with lifestyle changes before it progresses to type 2 diabetes.

Obesity goes beyond the scales: understand how cardiovascular risk defines treatment and why weight loss pens protect the heart.

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.

Understand what peptides are, how they work in the body, their benefits, risks, medical indications and the necessary precautions regarding the new weight loss and longevity craze.

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.

Understand the possible relationship between Mounjaro® (tirzepatide), tinnitus, dizziness and hearing changes. See symptoms, lesser-known adverse effects and when to seek medical evaluation.

Free Implanon on the NHS: understand who can use it, criteria, side effects, changes in bleeding and what to consider before inserting the contraceptive implant.

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.

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.

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 could compromise your health.

Peptides have become a trend in weight loss and longevity, but is all of this really safe? In this text, I explain what works, what is still a promise and the risks that almost no one is discussing.

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.

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.

Although sugar is frequently associated with weight gain, it is not the main culprit: understand the true mechanisms behind weight loss.