Polystyrene nanoparticles, widely used in consumer products, can disrupt red blood cell (RBC) development in zebrafish embryos, according to a new study. Using single-cell RNA sequencing and in vivo ...

Too much vitamin A, particularly from supplements or animal sources (retinol), can lead to toxicity known as hypervitaminosis A. Symptoms: Dizziness, nausea, headaches, dry skin, joint pain, and in ...

NIF toxicity resulted in more metabolites (90 ... Differentially expressed metabolites; ROS, Reactive oxygen species.

For now, life is flourishing on our oxygen-rich planet, but Earth wasn't always that way – and scientists have predicted that, in the future, the atmosphere will revert back to one that's rich in ...

Two scientists from Toho University and NASA’s Nexus for Exoplanet System Science ran computer simulations and found that Earth’s oxygen-rich atmosphere won’t last forever—it will start disappearing ...

An article published this week in The Lancet medical journal found that more than half of the world’s population lacks access to safe and affordable medical oxygen services, and most people ...

Oxidative stress is an imbalance of free radicals and antioxidants in the body that can lead to cell and tissue damage. Evidence suggests that long-term oxidative stress contributes to the ...

Oxygen therapy is lifesaving for people with acute illness, life-sustaining for people undergoing anaesthesia and surgical care, and life-enhancing for people with chronic respiratory failure. The ...

Oxygen is vital to many medical procedures. But a safe, affordable supply is severely lacking around the world, according to a new report. By Apoorva Mandavilli At the height of the Covid-19 ...

For most of my life, I have considered myself a generally upbeat person – at least, that’s what I tell myself when taking personality quizzes. I try to keep things light most days, but maybe ...