Diseases, Conditions, Syndromes

Two new Omicron subvariants gain ground in U.S.

The Omicron subvariants BA.4 and BA.5 are spreading rapidly in the United States, but it's not yet clear if they'll trigger a new wave of infections or a surge in hospitalizations and deaths, experts say.

Psychology & Psychiatry

Child behavioral health in sub-Saharan Africa

Countries in sub-Saharan Africa have experienced considerable political and social instability. They also have the highest rates of HIV/AIDS and malaria globally, resulting in a myriad of physical and cognitive consequences ...

Neuroscience

Addiction as a disorder of decision-making

New research shows that craving drugs such as nicotine can be visualized in specific regions of the brain that are implicated in determining the value of actions, in planning actions and in motivation. Dr. Alain Dagher, from ...