The spread of a disease is highly depends on the environment. The affection route, its lethality and contagiousness, the level of public health and the time of vaccine or treatment development for the disease are among the factors influencing the spread of a disease.

The gastrointestinal system and central nervous system are connected by different nerve fibers or neurons

Nowadays, one of the ways to reduce the spread of coronavirus and protection from it, is to use a mask

Yalda night or Chelleh night is the name chosen for the night of the beginning of winter.

Cardiovascular diseases are the most important cause of death among people. The heart, as the driving force of the body, plays an important role in a person’s health and survival….

The most important symptoms that result in gastrointestinal system and metabolism disorders include gastric ulcer, constipation, diarrhea, nausea and vomiting. The food, from the entrance to mouth till it exits,…

The thyroid gland is responsible for secreting the thyroxine (T4) and triiodothyronine (T3) hormones.