The hypothalamus is the part of the brain that controls body temperature, hunger, important aspects of parent’s behavior and affection, thirst, fatigue, sleep, fear, anger, and circadian rhythms.

What makes it strong is either because of its animal inhabitance or due to specific mutations in a member of the human Coronaviruses. According to recent evidence, bats are likely to be the source of initial contact (as the genome of Coronavirus that hosts them, resembles by 94% that of the COVID 19. Pangolins suspected to be the possible intermediate host. However, according to many researchers, the COVID-19 virus structure seems so complicated that it is highly unlikely to be natural, and it is possible that is laboratory-made and accidentally released.

Athletic heart syndrome (AHS) is a non-pathological condition in which the human heart is enlarged as a consequence of repetitive cardiac loading, and the resting heart rate is lower than normal.