Articles santé fiables

Bronchitis

A lingering cough after a cold is often acute bronchitis — usually viral, not needing antibiotics, but sometimes confused with pneumonia when symptoms are severe.

Ear Infection

Ear infections are especially common in young children and usually improve within a few days — here's what causes them and when antibiotics or a doctor's visit are actually needed.

Sinusitis

Facial pressure, thick nasal discharge, and a cold that won't quit are the hallmarks of sinusitis — here's how to tell it apart from a lingering cold and what actually helps.

Tonsillitis

Tonsillitis causes a sore throat plus visibly swollen, often white-coated tonsils — usually viral, but frequent recurrence can raise the question of removing the tonsils altogether.

Common Cold

The common cold is the most frequent human illness, usually mild and self-limited — here's what to expect, how to feel better faster, and when it might be something more.

Influenza (Flu)

The flu comes on faster and hits harder than a common cold, and can be genuinely dangerous for some groups — here's how to recognize it, treat it, and know when it needs medical attention.

Rythme cardiaque rapide : causes, symptômes et quand consulter

Un cœur qui bat vite est souvent une réaction normale à l'effort, au stress ou à la caféine — mais une tachycardie persistante ou inexpliquée au repos peut nécessiter une évaluation médicale. Ce guide explique les causes, les symptômes, la différence avec les palpitations, et quand s'inquiéter.

Shortness of Breath: Causes

Shortness of breath ranges from an expected response to exertion to a sign of a serious heart or lung condition — here's how the causes differ and when it's an emergency.

Causes of Heart Palpitations

That fluttering, pounding, or skipped-beat feeling is usually harmless and tied to everyday triggers — but a few accompanying signs mean it's worth getting checked.

Douleur thoracique : causes, symptômes, signes d'alerte et quand consulter

La douleur thoracique a de nombreuses causes possibles, du bénin au potentiellement mortel. Voici comment aborder ses différents schémas — en respirant, en mangeant, en bougeant — et les signes d'alerte qui imposent une aide urgente.

Symptômes de l'infarctus : signes d'alerte, que faire et quand appeler les urgences

Un infarctus suspecté est une urgence. Apprenez les signes d'alerte, y compris les moins évidents, et que faire en attendant les secours.

Symptoms of High Cholesterol

High cholesterol is almost always symptomless — which is exactly why testing, not how you feel, is how it's found. Here's what rare visible signs can look like.

How to Lower Cholesterol

Diet and lifestyle changes can meaningfully improve cholesterol levels — here's what has the strongest evidence behind it.

Triglycerides: Normal Range and Causes of High Levels

Triglycerides are a different type of blood fat from cholesterol, but they're checked together — here's what a normal level looks like and what raises it.

Cholestérol HDL : taux normal, HDL bas ou élevé, et ce que signifie votre résultat

Le HDL est souvent appelé « bon » cholestérol, mais ce n'est pas aussi simple que « plus il est élevé, mieux c'est » — voici ce que signifie réellement un taux normal.

LDL Cholesterol: Normal Range

LDL cholesterol is the type most directly linked to artery plaque buildup — here's what counts as a healthy level and why targets vary by individual risk.

Taux de cholestérol normal : LDL, HDL et triglycérides

Un bilan lipidique donne plusieurs chiffres à la fois : voici les repères généraux pour le cholestérol total, le LDL, le HDL et les triglycérides, et pourquoi l'objectif personnel peut différer.

Cholestérol : plages normales, LDL, HDL, triglycérides et quand consulter

Le cholestérol n'est pas un seul chiffre. Voici les plages normales du LDL, du HDL, des triglycérides et du non-HDL, ce que signifient réellement des résultats élevés ou bas, et quand consulter un médecin.

Vitamin D Toxicity: Can You Take Too Much?

Vitamin D toxicity is rare but real, almost always caused by long-term high-dose supplementation rather than sun or food — here's what to know.

Vitamin D and Calcium: How They Work Together for Bone Health

Vitamin D and calcium work as a team for bone health — without enough vitamin D, the body can't use calcium effectively, no matter how much you consume.