Health

Even as increasingly worrisome Covid-19 variants reach the United States, a senior adviser on the White House Covid-19 response team offered hope Thursday, saying they can be defeated with the right tools. On Thursday, South Carolina confirmed two cases of a variant of the virus first identified in South Africa, a more contagious strain than

Medical professionals are working to understand more about a condition they are calling “long Covid,” among patients who experience lingering symptoms months after recovering from coronavirus. “Persons with long Covid often present reporting persistent, severe fatigue, headaches and brain fog, which is defined as mild subjective cognitive impairment, approximately four weeks after acute illness,” Dr.

A new malaria mosquito is emerging in African cities, with potentially devastating consequences for those living there, according to a new study. The larvae of Anopheles stephensi — India’s main mosquito vector of malaria — are now “abundantly present” in locations across Africa, researchers from The Netherlands’ Radboud University Medical Center and Ethiopia’s Armauer Hansen

As the only American to have climbed all 14 of the world’s peaks over 26,000 feet above sea level — and the fifth person to do so without using supplemental oxygen — high-altitude mountaineer Ed Viesturs has come closer to the sun here on Earth than most of us ever will. Among the things the

A possible explanation is emerging for why federal data shows only about half of the vaccine supply delivered in the US has been administered. The nation’s vaccine distribution figures have baffled observers for weeks, with states claiming they need more vaccine when the data indicates they still have many doses on hand. Health officials for

Between vaccination coverage and natural immunity among those who have recovered from an infection, about 12% — and perhaps as much as a third — of the US population may currently have some degree of protection against Covid-19, according to a CNN analysis. About 6% of the US population has been vaccinated against Covid-19, according

The Miami Heat is unleashing the dogs. As AmericanAirlines Arena in Miami reopens to a limited number of fans Thursday, the Miami Heat is bringing out dogs it is billing as “coronavirus detection dogs” to screen guests and employees as they arrive at the facility. The team will be the first in the NBA to

Covid-19 cases in the US may be trending in the right direction, but experts say there’s still reason to worry. For one, there are new variants circulating in the US that are threatening another surge and could make even everyday activities more dangerous. New data from the Centers for Disease Control and Prevention shows cases

The US Centers for Disease Control and Prevention said Wednesday it does not know if the new Covid-19 variants are causing more cases of a rare complication in children called multisystem inflammatory syndrome. Multisystem inflammatory syndrome (MIS-C) in children is a troubling complication of Covid-19 infection that can cause heart damage and typically shows up

The moon dictates the pushes and pulls of the tides, but it could also affect our sleep. As we head toward the first full moon of the year on Thursday night, take note: In the days leading up to a full moon, people go to bed later and sleep less, according to a study published

The effects of alcohol on your heart can be immediate, triggering an irregular rhythm called atrial fibrillation or AFib, according to new state-of-the-art research. “Ours is the first study to point to a mechanism through which a lifestyle factor can acutely change the electrical properties of the heart to increase the chance of an arrhythmia,”