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.

The start of the new school year is already proving that there is no one way to reopen schools during the Covid-19 pandemic and returning to classes does not mean anything close to returning to normal.

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?

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.

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.

If college campuses want to remain open this fall, it may take frequent screening of college students, according to a modeling study published Friday in the journal JAMA Network Open.

Remember the progress made in suppressing Covid-19 during the painful economic shutdowns?

In Part I of this seven-part series, we started our fitness journey by learning how to strengthen the mind-body connection and practice breathing to create good posture. In Part II, we learned how to master fundamental movements in all planes of motion.

Schools and college campuses across the country should be OK to reopen, but officials need to proceed with caution and make safety a priority, Dr. Anthony Fauci said Monday.

For Danielle Somers, tie-dye has taken on ritual status during the pandemic.

We're now more than seven months into the coronavirus pandemic that has upended the lives of most of Earth's inhabitants. And while it is true that the scientific community has learned many things about the SARS-CoV-2 virus and the disease it causes, Covid-19, there are also many gaps in our…

First, the good news: The numbers of new Covid-19 cases each day in about 27 states have generally plateaued this past week compared to the previous week.

A multistate outbreak of salmonella poisoning that has sickened almost 400 people in 31 states has been traced back to red onions, federal health officials said.

Health experts on Saturday continued to urge communities to use caution and planning when considering whether to send students back to school, after the US got its first glimpse this week at how Covid-19 could reshape education.

Tedros Adhanom Ghebreyesus was watching late-night television when he saw a hospital boss criticizing him and Ethiopia's Health Ministry, which he was leading at the time, for doing a terrible job. Instead of responding with a furious diatribe, as some political leaders might when watching t…

Wearing personal protective equipment (PPE) when caring for patients with Covid-19 isn't enough to completely eliminate the threat from the virus for frontline workers, according to a new study from King's College London.

We know that the coronavirus can enter the body through the nose and mouth -- hence the constant recommendations from doctors to wear face coverings and practice social distancing.

A Covid-19 outbreak at a Georgia sleep away camp this June could have implications for school reopening, the US Centers for Disease Control and Prevention said.

Florida on Friday marked the fourth consecutive day it reported a record number of Covid-19 deaths in the state.

More than 340 years ago, a Dutchman named Antonie van Leeuwenhoek invented a powerful new compound microscope and accidentally discovered the existence of bacteria, a groundbreaking achievement that changed the course of medicine.

Drug giants GlaxoSmithKline and Sanofi Pasteur said Friday they had won a commitment from the US federal government to pay up to $2.1 billion to help the two companies move forward with their proposed joint coronavirus vaccine as part of Operation Warp Speed.

Over 900 people in 48 states have been infected with salmonella, and their illnesses are likely linked to backyard poultry like chicks and ducklings.

Dr. Alin Gragossian gets it. Wearing a mask, social distancing, frequently washing your hands, using a sanitizing gel or wipe on everything you touch -- all that gets old, fast.

The "diversity of response" by US states hampered the country's ability to contain the spread of the coronavirus, Dr. Anthony Fauci said at a congressional hearing on Friday, as the number of cases in the US topped 4.5 million.

Researchers on Wednesday published scathing critiques of a study President Trump repeatedly touted on Twitter. That study, published earlier this month in the International Journal of Infectious Diseases, claimed to show that hydroxychloroquine saved lives.

The head of the government's effort to develop a vaccine against Covid-19 says he expects the vaccine to have efficacy rates "in the 90%" range -- but that there might not be enough vaccine available for all Americans until the end of next year.

Buddy, a 7-year-old German shepherd from Staten Island, New York, was the first dog to test positive for the coronavirus in the United States. He died on July 11 after a three-month illness, according to National Geographic.

Individuals with a cervix are now recommended to start cervical cancers screening at 25 and continue through age 65, with the primary human papillomavirus (HPV) testing every five years as the preferred method of testing, according to a new guideline released Thursday by the American Cancer …

Children younger than 5 have between 10 and 100 times more genetic material from the novel coronavirus in their noses compared to older children and to adults, according to a small study published Thursday in the journal JAMA Pediatrics.

Amber and Zack Davies know too well how easily children can get coronavirus.

Botox injections may do more than erase the signs of age, or prevent you from feeling painful migraines — they may alleviate depression as well, a new study confirms.

While the United States has historically led the way when it comes to dealing with diseases such as smallpox, polio and HIV, other countries were faster with a coronavirus response, Microsoft founder Bill Gates said Thursday.

Performing onstage in front of other campers. Bonding with cabinmates. Careening down a zip line.

Education and lifestyle behaviors in our teens and 20s appear to impact our risk of cognitive decline and dementia in later life, according to three new studies presented Thursday at the Alzheimer's Association International Conference 2020.

After a yearslong advocacy campaign waged by activists, the Ann & Robert H. Lurie Children's Hospital of Chicago has become the first hospital in the nation to apologize for performing cosmetic genital surgeries on intersex infants.

One of the more puzzling aspects of the novel coronavirus is just how many organ systems are impacted through the course of the disease. We've heard about the heart, lungs and respiratory symptoms, but a growing mystery is its impact on the nervous system.