Our blood consists of many cell types that develop through different stages from a precursor type – the blood stem cell. An ...

Men who had given blood more than 100 times in their life were more likely to have blood cells carrying certain beneficial mutations, suggesting that donating blood promotes the growth of these cells ...

Additionally, the researchers found that while humans rely on a pool of 20,000 to 200,000 stem cells for blood production, mice have a surprisingly large number too—about 70,000 blood stem cells ...

But not all human cells possess mitochondria! Although that may sound strange, human red blood cells are the most common cells lacking mitochondria. Other examples include tissues of the eyes ...