I don’t need to tell you that there are several industries focused on selling you things to improve your skin or at least to look younger and better. From skin care and makeup, cosmetic surgeries and other manipulations, there’s no shortage of snake oils to buy.
Anton van Leeuwenhoek, the microscopy pioneer, describedcrystals in human semen in 1678, and named them spermine and spermidine. A few hundred years later, these crystals, now called polyamines, are known to be produced in every cell in the human body, not just sperm.
Macroautophagy is one type of autophagy and involves the containment of cytoplasmic material into vesicles, whose contents are later digested or broken down into parts by lysosomes, another cellular organelle.
As people (and their cells) age, the communication between their cells change. Although the cells aren’t deciding not to communicate, the communication becomes deregulated particularly as inflammatory reactions and “noise” increase.