Challenging Current Understanding, Study Reveals Rapid Release of Dopamine Not Needed for Initiating Movement

At a glance: Study in mice reveals rapid release of dopamine is not needed for initiating movement but is important for activities related to reward-seeking and motivation. The findings help explain why the widely used Parkinson’s drug levodopa improves movement-related symptoms but often fails to ameliorate some cognitive ones. The work may inform the development of new therapies that restore both slow and fast dopamine action to treat multiple symptoms.

Terrorism – A Threat for Urban Dwellers Be in the Know, Be on the Lookout for a Safe Society

Chula Political Science Lecturer alerts our society on the dangers of “urban terrorism” and the need to build a knowledge base for crisis management should an incident occur while also proposing that the government should invest in national security.

Research News Tip Sheet: Story Ideas from Johns Hopkins Medicine

During the COVID-19 pandemic, Johns Hopkins Medicine Media Relations is focused on disseminating current, accurate and useful information to the public via the media. As part of that effort, we are distributing our “COVID-19 Tip Sheet: Story Ideas from Johns Hopkins” every other Wednesday.

In a Pandemic, Migration Away from Dense Cities More Effective than Closing Borders

During the COVID-19 pandemic, closing national borders and borders between states and regions has been prevalent. But does it help? In a paper in Chaos, researchers decided to put this hypothesis to the test and discover if confinement and travels bans are really effective ways to limit the spread of a pandemic disease. Specifically, they focused on the movement of people from larger cities to smaller ones and tested the results of this one-way migration.

Plasma Lactate as a Marker for Metabolic Health

Lactate concentration in the blood is commonly measured in relation to athletic performance and as an index of metabolic alterations in critically ill patients. As a result, numerous and relatively inexpensive methodologies exist to accurately and rapidly measure blood lactate…