antibiotics - an infection, painkillers - stop pain, inhaler - helps with asthma attacks, steroids/cream - helps with eczema

have a slight, minor, superficial injury, scratches and bruises.

Need to be healthy to do a job. You fly a plane, want to join an army, a football club.

wrist -it's a joint, whereas the others are organs.

common disease

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headache, cough and sneeze, fever or high temperature, weakness, etc

a doctor (or vet). study, take exams, complete a period of work under supervision.

Infection gets worse or spread. Clear up with antibiotics or of its own accord. Infection might spread or get worse because you leave it without treatment

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Do physical therapy, massages, plan excersises.

no!