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Medical Xpress / ADHD stimulants are being used recreationally, with consequences for users

Not long ago, most people thought of attention deficit hyperactivity disorder, or ADHD, as a childhood condition that would eventually be outgrown. Now it's everywhere.

4 hours ago in Medications
Phys.org / The overview effect: Astronaut perspectives from 25 years in low Earth orbit

To see Earth from space is to be forever changed by the view. Since Alan Shepard became the first American to lay eyes on our home planet from above, countless NASA astronauts have described feeling awed by the astonishing ...

4 hours ago in Astronomy & Space
Medical Xpress / Feel your blood pressure rising? Here's how to monitor it

Nearly half of all adults in the U.S. have high blood pressure. "High blood pressure (also called hypertension) puts you at risk of many life-threatening problems," says Rachel Goodman, MD, Chief Cardiology Fellow at Tufts ...

4 hours ago in Cardiology
Phys.org / Vertical hunting helps wild cats coexist in Guatemala's forests, study finds

A new study reveals that four wild cat species living in the same rainforest habitat in Guatemala reduce competition for food by hunting in different vertical zones, some in trees and others on the ground.

10 hours ago in Biology
Medical Xpress / Toxin colibactin could be fueling colorectal cancer in young adults

In the past decade, as the rate of colorectal cancer has dramatically increased among people under 50 years of age, scientists have been trying to understand why.

4 hours ago in Oncology & Cancer
Phys.org / Researcher helps scholars promote their work's societal impact

A breakthrough discovery in marketing strategy sits behind an academic paywall. A policy solution to a pressing social issue remains buried in a scholarly journal. Innovative research that could transform business practices ...

4 hours ago in Other Sciences
Phys.org / Volcano erupts in northern Ethiopia, sending ash plumes toward Yemen and Oman

A long-dormant volcano erupted in northern Ethiopia over the weekend, sending ash plumes across the Red Sea toward Yemen and Oman.

4 hours ago in Earth
Medical Xpress / Brain metabolism offers new perspective on how we think and process information

How strongly does our metabolism influence thinking? This question has been examined by Dr. Philipp Haueis, a philosopher of science at Bielefeld University, in a recent publication in the journal Behavioral and Brain Sciences. ...

4 hours ago in Neuroscience
Tech Xplore / Snapchat begins age checks in Australia ahead of social media ban

Snapchat has begun asking teenage Australians to verify their ages, a company spokesperson said Monday, just weeks before Canberra enforces sweeping laws banning under-16s from social media.

10 hours ago in Internet
Medical Xpress / Mental health disorders may double risk of heart disease, study finds

Nearly half of Americans are affected by cardiovascular disease, while about one in four lives with a mental health condition.

5 hours ago in Psychology & Psychiatry
Tech Xplore / Don't expect AI to disrupt Google's monopoly on search

In a recent episode of the podcast "Acquired," venture capitalists and hosts Ben Gilbert and David Rosenthal argued that the horrible roll-out of Google's Bard AI chatbot in February 2023—which led the company's stock to ...

5 hours ago in Internet
Phys.org / The hidden forces keeping reef fishers below living wage

A new study by the Wildlife Conservation Society (WCS) published in Coral Reefs reveals why many coral reef fishers remain in poverty, even as fish stocks decline and some fishers leave the profession. The research shows ...

5 hours ago in Earth