Category Archives: News

Gupta: Why do some people get very sick from Covid-19, while others show no symptoms?

One big mystery: Why do some people get very sick and even die from their illness, while other similar people show no symptoms and may not realize they’ve been infected at all? We know some of the big factors that put people at higher risk of having a severe, even fatal, course of disease: being… Read More: Gupta: Why do some people get very sick from Covid-19,… »

Weekly Health Quiz: Insulin, Nutrients and Masks

1 Which of the following statements is accurate? While U.S. SARS-CoV-2 infection rates are rising, hospitalizations and death rates have steadily and dramatically declined for more than two months While U.S. SARS-CoV-2 infection rates are rising, as testing of healthy people continues to increase, hospitalizations and death rates have steadily and dramatically declined, demonstrating the… Read More: Weekly Health Quiz: Insulin, Nutrients and Masks »

How human sperm really swim: New research challenges centuries-old assumption

A breakthrough in fertility science by researchers from Bristol and Mexico has shattered the universally accepted view of how sperm ‘swim’. More than three hundred years after Antonie van Leeuwenhoek used one of the earliest microscopes to describe human sperm as having a “tail, which, when swimming, lashes with a snakelike movement, like eels in… Read More: How human sperm really swim: New research challenges centuries-old assumption »