Those symptoms are just common signs of stress. Being too busy or thinking too much in problems can contribute to having those symptoms, which is why it's important to take some breaks.
Have a nice day! :)<span />
B below
The hypothalamus is located at the bottom or below the thalamus. The name hypo means below or at the bottom. Hypothalamus is an organ reponsible for maintaining body temperature, regulating bodily hormones and basic drives such as sex, hunger and thirst. The organ is part of the limbic system which has a role on emotions and memory.
When you get a vaccine it injects a controlled amount of the illness into you, so the immune system can build up an immunity. The memory cells come into play when the illness comes back.
