Health & Science

Philadelphia officials announced Monday that masks will once again be required in indoor spaces.

Local scientists are trying to better understand the causes of mercury among fish populations to inform public health and environmental guidance.

Delco is no longer the largest county in the United States without its own health department as it was busy its first week tackling inspections, STIs, and tuberculosis.

Black women are more likely to get the noncancerous growths, at a younger age, and have higher rates of hysterectomy. A growing movement calls for more compassionate care.

The initiative teams Bloom Planning and Delaware County in an effort to revamp mental and behavioral health services for school children.

Scientists are tracking a deadly bird flu outbreak that has infected wild birds in more than 30 states.

Many blame the agency's earlier guidance for suffering and even suicide risk among chronic pain patients. Critics say the updated advice may not fix the problem.

Delaware is rare on the East Coast for having no offshore wind power. A new report commissioned by the state finds it would be cost-effective.

Now, more than two years into the pandemic, some parts of the U.S. are seeing an uptick in cases driven by the BA.2 subvariant.

Learning how to be a parent can feel overwhelming, and advice is everywhere. There are the things you’re learning from other parents, t ...

In a 2-1 ruling Thursday, a panel of the 5th Circuit Court of Appeals in New Orleans reversed a lower court and ordered dismissal of a lawsuit challenging the mandate.

The pandemic drove U.S. life expectancy down again in 2021 even though life-saving vaccines were widely available.

Health experts warn the suspension of COVID aid for poorer countries could ultimately spur the kind of unchecked transmission needed for the next worrisome variant to emerge.

Many will lose Medicaid coverage nationwide, but Pennsylvania’s plan is out of step with other states, which advocates say will lead to greater losses.

Key questions include how often the vaccines should be updated against new viral strains and who should get them.