Microplastics and the much smaller nanoplastics enter the human body in various ways ... detecting and quantifying nanoplastics in transparent body fluids and determining their chemical composition.

Why can't it just have a rest? Well, the blood has to be kept moving around all the time because it's the body's delivery system. Every possible part of the body has to be supplied with oxygen and ...

All human beings — and almost all animals — need sleep. We spend a third of our lives asleep, and it’s as important as food, water or air to our survival. Typically, sleep is defined as an altered ...