Thyroid function tests are blood tests that measure hormone levels to check how well your thyroid is working. The most common tests are thyroid-stimulating hormone (TSH) and thyroxine (T4), which help ...

Your liver handles metabolic, detoxification, and immune functions, including processing nutrients, making bile for fat digestion, producing blood-clotting proteins, and removing toxins like ammonia ...

These must report preliminary research findings that are highly original, of immediate interest and are likely to have a high impact. Communications are given priority treatment, are fast-tracked ...

Objective To evaluate systematic reviews of randomised controlled trials (RCTs) on the effects of exercise on general cognition, memory and executive function across all populations and ages. Methods ...

With this cross-journal Collection, the editors at Nature Communications, Communications Psychology, and Scientific Reports invite manuscripts that highlight human behaviour across different nations ...

Correspondence to Joseph Michael Northey, Joseph Northey, University of Canberra Research Institute for Sport and Exercise, Building 29, University Drive, Bruce ACT, 2617, Australia; ...

July 3, 2026 Scientists at UCLA discovered a surprising reason aging muscles heal more slowly. In older muscle stem cells, a protein called NDRG1 builds up and acts like a brake, slowing the cells’ ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Courtney Schley Courtney Schley is deputy director of editorial operations and ...

But Why is a show led by kids. They ask the questions and we find the answers. It’s a big interesting world out there. On But Why, we tackle topics large and small, about nature, words, even the end ...

Poly(ADP-ribose) (PAR) is synthesized from NAD + by PAR polymerases (PARPs) and regulates many physiological processes such as the maintenance of DNA integrity, gene expression and cell division.

Farran Powell is the managing editor of investing at Forbes Advisor. She was previously the assistant managing editor of investing at U.S. News & World Report. Her work has appeared in numerous ...