Tag Archives: Know

All About PSA: Everything You Need to Know

First of all, what is PSA? PSA is a term that stands for prostate-specific antigen. PSAs are proteins that are created in the prostate tissue and are enzymes that free the sperm from the semen after ejaculation. These PSAs can be used to screen for prostate cancer. The History of PSAs The FDA approved PSA… Read More »

From escape mutations to wild strains: Here’s everything you need to know about Covid variants

This transmission electron microscope image shows SARS-CoV-2—also known as 2019-nCoV, the virus that causes COVID-19. isolated from a patient in the U.S., emerging from the surface of cells cultured in the lab. Source: NIAID-RML Even as the number of global Covid-19 infections drops across the world, leading U.S. health officials are warning of a coming… Read More »