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Do masks restrict your breathing?
Warning! Math coming your way! I wanted to dispel a common claim that masks disturb breathing. A coronavirus particle is 120 nanometers (nm) in diameter. Oxygen is 0.120 nm and Carbon Dioxide is 0.232 nm. To interpret these numbers very clearly, oxygen is 1000 times...
Covid is still here.
We know how to slow the spread of the coronavirus. And it’s not rocket science. It’s just plain old, run-of-the-mill, everyday science. Just because our communities and restaurants are opening back up, *nothing* has changed about this virus or its lethality. It can...
We gathered together to kneel against racism, bigotry and injustice.
This morning, we physicians kneeled together in silence for 8 minutes and 46 seconds – the measure of time in which George Floyd was held down and asphyxiated until his death. It was a sobering and poignant gathering. To kneel for almost 9 minutes on our knees on the...
The Dangers of Antibody Testing
SARS-CoV-2 antibody testing has been touted as the holy grail – the get-out-of-COVID-jail free card. Because there are many asymptomatic carriers, some are understandably hoping: “if I’ve already had it and was asymptomatic, I could be immune!” and then can...
If you aren’t in over your head, how do you know how tall you are?
“If you aren't in over your head, how do you know how tall you are?” ― T.S. Eliot The LA Times featured my hospital system, and specifically my hospital, Sharp Memorial, in a photo journal. It was surreal seeing the hallways and wards that I walk through on a daily...