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

Contributor: Taylor Lynch, MD Educational Pearls: What is the oculocardiac reflex? The oculocardiac reflex occurs when pressure or traction is put onto the globe of the eye or extraocular muscles that causes increased stimulus to the ophthalmic division of the trigeminal nerve (C ...  Show more

Contributor: Jeffrey Olson, MD Educational Pearls: What are they? A flexible balloon and suction tube that we insert into the esophagus and into the stomach to stop bleeding. When to use? Typically used for variceal bleeding. Use whenever the patient is too unstable to be transfe ...  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