There will always be a time where your body will not function properly, Even if you are healthy, what causes you to feel sick is thanks to pathogens, And once you start getting older your immune system will start getting weaker, causing you to be more vulnerable to sickness.
why well if you wash your hands really good almost all the time when u dont touch anything the sickness isn't really coming for you but if u are hanging out with some friends and one of them is getting sick and u dont know it u can catch it so basically....... No
Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited.
