See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. New research has discovered an unexpected way pregnancy alters the ...

Skin functions as a sophisticated sensorial system in the human body, capable not only of detecting environmental stimuli—such as temperature, pressure, strain, and vibration—but also of actively ...

Body temperature regulation, or thermoregulation, is the biological process by which organisms maintain internal body temperature within a physiologically optimal range despite external or internal ...

Metabolism and thyroid hormones: a close relationship. Because they have such a big impact on how your body uses energy, thyroid hormones are often called the metabolic regulators. Your body burns ...

That thermometer reading you barely glance at during a doctor’s visit? It might be hiding critical information about your health that goes far beyond checking for a fever. While we’ve long treated ...

Throughout history, people have had to find ways to cope with varying environmental conditions. Whether they lived in a hot or cold climate or had access to plentiful or limited water, they adapted ...