Much of the discussion on cholesterol focuses on its negative effects. However, cholesterol helps with various bodily functions, including cell building and repair, bile production, and hormone ...

Executive function describes a set of cognitive processes and mental skills that help an individual plan, monitor, and successfully execute their goals. The “executive functions,” as they’re known, ...

The most important lung function is to take oxygen from the environment and transfer it to the bloodstream. Lung function tests can show how well the lungs carry out this task. The left and right ...

An essential component of the lymphatic system, the thymus, a pyramid-shaped organ located in the thoracic cavity, is responsible for producing T-cells. For centuries, the thymus was believed to be an ...

The word 'biodiversity' is on nearly everyone's lips these days, but 'chemodiversity' is just as much a characteristic of life on Earth as biodiversity. Living organisms produce thousands and ...

Do dreams have any innate value or purpose? Some leading figures in the field say no, and that’s a problem. At a recent dream studies conference, I heard several talks by researchers who claimed that ...