Why am I sick during holidays?
Why am I sick during holidays? When work pressure eases and the holidays begin, stress levels usually fall and the production of adrenaline stops. This can lead to a temporary surplus of cortisol which weakens the immune system and makes us more prone to illness.
Can you fly on a plane with a head cold?
It is recommended that if you have a cold that you do not fly; this should be enforced by airlines in the case of aircrew, and aircrew are required to self-report any symptoms of cold, flu, or similar.