The new 10-20-30 training concept can improve both a person's running performance and health, despite a significant reduction in the total amount of training.

Scientists know that Vitamin D deficiency is not healthy.

Defects in the gene that encodes the XIAP protein result in a serious immune malfunction.

Danish teenagers are not looking for answers to life's big questions in established religious institutions.

A true obesity epidemic is gradually advancing throughout the developed world.