Acne is one of the most known and common skin conditions. At the surface of the skin there are glands named “sebaceous glands” that secrete an oily substance called sebum.
The first things that usually pop into most people’s heads when they hear “vitamins” are little colorful pills that come in a box and you suck like a mint
Matter in our world is composed of atoms. Every atom includes electrons and a nucleus, where protons and neutrons reside. We all know atoms are very small – but how small exactly?