लेखक: Taihao Quan

Our skin changes as we age. It becomes thinner and loses fat, making it less plump and smooth. Clinically, aged skin is characterized by wrinkles, sagging, age spots and dryness. Emphasizing laborato …

Skin is the most voluminous connective tissue of the body. Skin, like all other human organs, undergoes progressive alterations as a consequence of the passage of time (natural aging). However, human …

Nowadays, organizational competitiveness depends on its effectiveness, versatility and the ability to respond to customer needs. Thus, companies look for flexibility in human resources as a means of …