COVID-19 Digest: Could Cigarette Smoking Actu...

Contributor: Aaron Lessen, MD Educational Pearls: Blunt cerebrovascular injury (BCVI) BCVI is a traumatic injury to the carotid or vertebral arteries Patients may initially have no neurologic symptoms In some cases, a thrombus can form at the site of the injury and later cause is ...  Show more

Contributor: Aaron Lessen, MD Educational Pearls: Big question in cardiac arrest: is the rhythm shockable? Shockable: ventricular fibrillation (VF) and pulseless ventricular tachycardia Non-shockable: asystole and pulseless electrical activity (PEA) Rhythm classification is typic ...  Show more

As Covid-19 spreads, doctors are learning more about why some patients get very sick, and why others only get mildly ill. Some of the people most at risk for severe illness have underlying conditions that affect their lungs. Older people are also at a higher risk. But certain fac ...  Show more

00:45 Smoking's long-term effects on immunityIt's well-known that smoking is bad for health and it has been linked to several autoimmune disorders, but the mechanisms are not fully understood. Now, researchers have investigated the immune responses of 1,000 people. Whilst some ef ...  Show more

À l'été 2020, une étude avait indiqué que les fumeurs étaient protégés des formes graves du Covid-19. Mais les résultats sont totalement remis en cause aujourd'hui. 

Black Americans have an increased vulnerability to Covid. Many explanations have been floated for that: Black people are more likely to have chronic illnesses such as diabetes and high blood pressure; many work in frontline jobs. But Cynthia Koons reports that scientists are incr ...  Show more