Doctors may have been right to be concerned that people with heart problems were avoiding the ER due to Covid-19, according to a new study published Friday.

Covid-19 patients not showing symptoms may have similar amounts of the novel coronavirus in their bodies as those who do show symptoms, according to a new study from South Korea. This would suggest that they could still spread the virus to others.

Terri Wilder became dreadfully ill in 2014, falling asleep immediately each day after she got home from work and laying in bed all weekend, recovering just enough to drag herself to work the next week.

In these times of uncertainty, the one thing we can do is take charge of our health.

The US Centers for Disease Control and Prevention says it has closed several buildings it leases in Atlanta because Legionella bacteria have been found in their water systems -- bacteria that likely grew because of the prolonged pandemic shutdown.

Dr. Anthony Fauci says there are five or six things to keep the spread of the coronavirus in check. And he says he will continue to repeat those public health principles "until I'm exhausted" because "those things work."

Dr. Anthony Fauci said he's "satisfied" with the enrollment in the first week of the first US Phase 3 clinical trial of a Covid-19 vaccine.

It's official: There's a limit on how much arsenic can be in your baby's cereal.

The coronavirus pandemic has turned life upside down around the world, with many workers losing their jobs, economies plummeting and parents worried about reopening schools.

A group of physicians in Canada issued new guidelines this week urging doctors in the country to to take a new approach in the way they treat patients with obesity.

What's the first thing you should worry about when you look at the packaging on your fast food or takeout?

Researchers behind an influential model are projecting that the US death toll from coronavirus could reach nearly 300,000 by December 1 -- but that can be changed if Americans consistently wear masks.

During this extended period of evolving schedules and dissolving plans, in which many of us no longer "go" to work or school or much of anywhere, time feels increasingly fluid.

The US government is pouring billions into Covid-19 vaccines, and candidates from three companies are moving along quickly: Moderna, Pfizer and Novavax.

The White House coronavirus task force is warning states about an uptick in coronavirus test positivity rates in a number of new cities this week.

A man with Covid-19 went to church in mid-June, then 91 other people got sick, including 53 who were at the service, according to Ohio's governor.

People are getting sick and even dying after swallowing hand sanitizer, the US Centers for Disease Control and Prevention said Wednesday. Four died and others have suffered impaired vision or seizures, the CDC says.

As Covid-19 started to spread across the United States earlier this year, dermatology offices began to see suspicious signs on some patients' skin: Red or purple toes, itchy hives, mottled bumps on fingers, a lacy red rash that spread across legs and arms.

Mississippi for weeks has been punching above its weight in the wrong coronavirus statistics.

The calcium in our bones and teeth likely came from stars exploding in supernovas and scattering this mineral across the universe in massive quantities, according to a new study.

Covid-19 rates are significantly higher among minority children and those from lower socioeconomic backgrounds, according to a new study.

You may love smoking weed, but it does not love your heart, according to the American Heart Association's new scientific statement on marijuana.

First-grade teacher Amy Forehand was stunned to learn young students in her Georgia school district will return to classrooms by the end of this month.

A third US company has released study results showing its coronavirus vaccine is safe and elicits an immune response.

Seraphina Harrell, a little girl who received national attention because the surrogate who gave birth to her had refused to have an abortion, has died.

Two new trials soon will be underway in the United States to investigate antibody treatment approaches for Covid-19 patients.

Vitamin D is known as the "sunshine vitamin" because your body absorbs the nutrient primarily through exposure to the sun.

In the confusion and chaos of a global pandemic, a small but significant group of people who refuse to wear masks has emerged despite the now established evidence of their efficacy.

What if someone told you there was a magic potion by which you could prevent disease, improve your intellect, reduce your stress and be nicer to your family while you're all cooped up together during the pandemic?

Jails can be a large source of coronavirus spread both inside the facility and in the surrounding communities, researchers reported Monday.

Coronavirus is more widespread in the US than ever before, prompting White House coronavirus response coordinator Dr. Deborah Birx to say over the weekend the country has entered a "new phase" of the pandemic.

Ever heard of bacterial vaginosis? It's caused when the normal bacterial flora in the vagina go haywire, allowing "bad" bacteria to proliferate.

As nations around the world grapple with how to safely reopen schools amid the coronavirus pandemic -- or whether to reopen at all -- two new studies turn a spotlight on strategies that could be key in bringing children back to the classroom: scaled-up testing for cases, effective tracing of…

You are what you eat, so the saying goes. But few people would suspect that dietary choices are reflected, inch by inch, in the hair growing on your head.

Perhaps it's a creamy white comfort drink that's reminiscent of childhood, or just another alternative to water, tea, soda and coffee.

The British government has procured "millions" of two separate coronavirus tests that can detect not only coronavirus but several other viruses common in autumn, winter and spring, the UK's Department of Health said Monday.

The US Food and Drug Administration has expanded its warning about hand sanitizers to avoid, with the list now topping 100.

Experiencing adversity early in life is likely to make children reach puberty more quickly, increase cellular aging and alter brain development.