In his latest book, the oncologist and acclaimed writer Siddhartha Mukherjee focus his narrative microscope on the cell, the elementary building ... to understand the human body,” Mukherjee ...

Protein is the cornerstone of life, vital for building and repairing tissues, producing enzymes, and supporting immune health. Every cell in your body relies on this macronutrient, yet many people ...

Consider, too, that the human body has around 37 trillion of them. A trillion may just sound like a bigger "million," but it's equivalent to the number of seconds there are in 1.2 million years.

An adult human body is thought to consist of more than 37trn cells, of more than 5,000 distinct types. Surprisingly little is known about some of these fundamental biological building blocks.