Articles santé fiables

Anemia

Iron deficiency is the most common cause of anemia, but it's far from the only one — knowing the type matters because the treatment is completely different depending on the cause.

Causes of Numbness in the Hands and Feet

Occasional numbness from sitting awkwardly is harmless, but persistent or recurring numbness in the hands or feet can point to a nerve, circulation, or metabolic issue worth investigating.

Insomnie : symptômes, causes et traitement (TCC-I et plus)

L'insomnie est la plainte de sommeil la plus fréquente, et si une mauvaise nuit occasionnelle est normale, une difficulté de sommeil persistante est une affection traitable, pas quelque chose avec quoi il faut simplement vivre.

Diarrhea

Diarrhea is almost always the body dealing with a temporary irritant or infection — here's what typically causes it, how to treat it at home, and when it points to something that needs attention.

Food Poisoning

Food poisoning usually strikes within hours of eating contaminated food and clears up on its own within a few days — here's how to spot it, treat it, and know when it's more serious.

Gastroenteritis

Often called the 'stomach flu,' gastroenteritis is usually viral, highly contagious, and resolves on its own — the main risk to manage is dehydration, not the infection itself.

COVID-19

COVID-19 today looks different than it did in 2020 — for most vaccinated, healthy people it's a manageable illness, but knowing current symptoms, contagious periods, and risk factors still matters.

RSV (Respiratory Syncytial Virus)

RSV causes mild cold-like symptoms in most people but can be genuinely serious for infants and older adults — here's how to recognize the difference.

Pneumonia

Pneumonia can range from a manageable illness treated at home to a genuine medical emergency, especially for young children, older adults, and people with weakened immune systems.

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.