Kennedy's disease is a rare disease, with only one in 50,000 males affected and no particular pattern among various races or ethnic groups
The Kennedys. JFK & his Brother Robert were both assassinated in the 1960s.
blue moon happens very rarely, so the meaning is an incident which is rare or might be impossible.
when you get a disease you are said to be INFECTED by it .
It is said to be communicable or contagious.
When a disease is said to have a multi-factorial basis it means that there are many factors, both genetic and environmental, contribute to the disease.
The woman asked "How was your sex life". The man replied "Infrequently", and she said "Is that one word or two".
It actually means this. showing no symptoms at all.
It is called a dislocation. A doctor can put it right again, but note I said a doctor - not somebody nearby who says, "Oh, I know how to do that!" (which happens on sports fields not infrequently).
an epidemic
they are said to be in remission.
The English word 'disease', are said in Abaluhya (Luhya) language as "amalwalee".
No, constipation is a condition. That said, it can feel like a disease to someone suffering from IBS or chronic constipation.