When the coronavirus copies itself, there is a chance its RNA will mutate. But new variants must jump from one host to another, and the more infections there are, the better chance this will happen.
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While the food insecurity rate held steady in 2020, the racial hunger gap increased.
A critical care doctor brings a frontlines perspective to the frustration of dealing firsthand with vaccine hesitancy and discusses the limitations of science and medicine.
The Affordable Care Act has allowed many preventive health services, including cancer screenings and vaccines, to be free of charge. But legal challenges may lead to costly repercussions for patients.
The COVID-19 pandemic and a growing global refugee crisis have shone a light on the ever-increasing need for new approaches to mental health treatment.
Although stretched thin and imperfect, health care workers do our best for everyone who needs us, regardless of the personal choices people have made.
The multibillion-dollar settlement will trigger the release of troves of documents that may shine new light on what caused the opioid crisis.
New payment models may mean more of the people who need these treatments can get them.
Computational modeling can predict language therapy response in bilingual people with aphasia. In the future, this could help clinicians identify the best language for treatment.
To stay healthy, it’s important to understand how wildfire smoke can harm your body and how to protect yourself.
An infectious disease doctor explains the science behind COVID-19 vaccines at a level that children – and adults – of all ages can understand.
Achieving widespread immunity to COVID-19 through vaccination requires as many people as possible to get their shots, including those who object or haven’t bothered.
A 2015 paper on chicken virus evolution is being taken out of context and used to fuel fears about COVID-19 vaccines. Its lead author aims to clarify the science in hopes of saving lives.
It has been six months since the Johnson & Johnson vaccine received emergency use authorization. What does six months of data show about its efficacy, side effects and protection from variants?
A COVID-19 vaccine does not cause infertility – but it can protect you from the dangerous complications of contracting the virus.
Anti-vaccine activists are using the side effect reporting system to spread fear and misinformation about the COVID-19 vaccines. But the database could also be used as a gauge for public concerns.
Air-ventilation upgrades have been badly needed in U.S. classrooms since long before the pandemic. Low-tech filtration systems that cost about the same as a textbook per student can make a big difference.
An unknown number of people have lost their dreams of parenthood because of storage disasters at fertility clinics. These experts note poor government oversight and the need for stronger regulation.
The usefulness of a drug is typically measured by its active ingredient. But traditional Chinese medicine shows that there’s more to healing than using the right chemical.
After enduring a devastating wave of infections, deaths and lockdowns at the start of the pandemic, Italy is putting in place tougher anti-COVID measures, including a vaccine passport.
Each dose of Pfizer has a long and complex path involving mixing, storage at temperatures colder than the South Pole and specific protocols that must be followed before it becomes a jab.
Ending the opioid epidemic requires addressing not only treatment gaps in addiction and overdose, but also inadequate pain management.
Outsourcing is common in many hospitals. But when health care systems outsource certain clinical tasks to separate companies, costs can go up, quality of care can fall and patients can be harmed.
A public health scholar based in New Delhi explains how India has emerged from the massive spike in COVID-19 cases, even as the country braces for a new wave.
People with weakened immune systems are at a high risk of severe and prolonged COVID-19 infections. An extra vaccine dose can bolster protection.