COVID-19 antibodies may fade, but vaccine hopes have not By Joshua A. Krisch We are not yet sure how long COVID-19 immunity lasts, but experts agree that there is little cause for alarm and that a vaccine will likely still be successful.
What is herd immunity? By Joshua A. Krisch Scientists use herd immunity to describe the point at which a population is sufficiently immune to a disease to prevent its circulation.
Is the coronavirus airborne? Evidence is scant, infectious disease experts say By Joshua A. Krisch The most important ways to prevent transmission are still the same, whether SARS-CoV-2 spreads via tiny droplets or larger ones.
Keto diet may cause temporary flu-like symptoms. Here's what to expect. By Joshua A. Krisch The first few weeks of a keto diet may come with a spate of flu-like symptoms, including nausea, fatigue and dizziness, according to a new study.
Scientists may be 'on the cusp' of a universal flu vaccine By Joshua A. Krisch We may be one step closer to a universal flu vaccine, according to a new study.
A 'normal' resting heart rate may not be so normal after all By Joshua A. Krisch A new study finds that resting heart rate can vary between individuals by up to 70 beats per minute, calling into question how physicians use one of the most fundamental vital signs.
US life expectancy finally ticks upward. But it's too soon to call it a trend, experts say By Joshua A. Krisch Although CDC data suggest an increase in life expectancy as of 2018, the U.S. continues to lag behind comparable countries.
Declining Life Expectancy in America 'May Be the New Norm' By Joshua A. Krisch U.S. life expectancy is declining mostly among "working age" Americans.
