Researchers have discovered microplastics and nanoplastics in the human brain, reproductive organs, and other vital systems.

The human body is packed with natural rhythms, from your sleep-wake cycle to the steady pulsing of blood through the brain to ...

This film explores the complex process of human digestion, detailing how food is broken down into molecules by the digestive system. It follows the journey of food from the mouth, where it is chewed ...

Your personal food-processing plant is like a symphony orchestra: When all the parts perform well, the result is beautiful music that simply flows. Should one or two musicians space out or be unable ...

Is the adage “calories in, calories out” true? The short answer is yes, but the full story is more nuanced. From the moment food touches your tongue to the time it leaves your body, your digestive ...