See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. In March 2020, the World Health Organization (WHO) characterized the ...

“Structural heart disease” is an umbrella term that refers to conditions that affect different structures within the heart. Some of these problems can be present at birth, while others develop later ...

Comorbidities are health conditions that occur alongside a primary diagnosis. Shared risk factors can lead to both stroke and heart attack happening in the same person. Having one autoimmune disease ...

The word “epidemic” immediately brings to mind a highly infectious and deadly disease of the kind found in Hollywood films. In Contagion, for instance, a lethal infection with frightening symptoms ...

Definition: A pathogen is a biological agent – such as a bacterium, virus, fungus, parasite or prion – that can cause disease in a host organism. In simple terms: a pathogen is an infectious microbe ...

All stages of the fossil-fuel life cycle are a threat to human health, yet global overdependence on fossil fuel continues unabated, despite ambitious international agreements to lower greenhouse-gas ...

Prion diseases are rare and occur due to proteins in the brain that “misfold.” Another name for prion disease is transmissible spongiform encephalopathies (TSEs). There are many types of prion ...

Viruses and bacteria are not responsible for all infections diseases. Many infectious diseases are caused by viruses and bacteria. But there are also other types of pathogens that cause illness.

J. Stephen Morrison, Senior Vice President and Director of the Global Health Policy Center We are at a transitional moment in how disease control efforts are structured in middle-income countries ...