In his practice, Dr. Guo is asked daily about collagen loss in one way or another. It’s not unusual for a patient to come to the clinic and point to the fine lines on their face, rings on their neck, ...

In the new year, people usually write down what they want to accomplish, including things that would make them happy.

The bacterial cell wall is crucial to maintain viability. It has previously been suggested that Gram-positive bacteria have a periplasmic region between the cell membrane and peptidoglycan cell wall ...