cell biology

For lack of a more sophisticated term, the reason we grow old and die is because our biological tissues “wear out.”
Your body cells, particularly neurons, love the sugar glucose. This is the reason that your body closely regulates the level of glucose in your blood. Your brain would literally starve without it.
There are many questionable aging-related products on the market. One of the more recent is TeloYears, a test that supposedly determines your "true age" by measuring the length of a structure on your chromosomes called telomeres.
Let's call progress against cancer a mixed bag. Until 20 years ago, chemotherapy drugs — poisons that kill or stop the division of cells— have been the mainstay of cancer treatment.
Early on October 3, 2016, the world-famous committee in Stockholm announced that Japanese scientist Yoshinori Ohsumi had been awarded the Nobel Prize in