Why does this code not work?

Hello, I am not sure what the error is, everytime i run it i get the message: If the argument passed in is less than 0, the function should return ‘This is not a valid age’
Do i not have that settled?
It works for an age above 140 here is my code
// Write your function here:
const age = 1<140
const lifePhase = (age) => {
if(age <= 3) {
return ‘baby’
} else if(age <= 12) {
return ‘child’
} else if(age <= 19) {
return ‘teen’
} else if(age <= 64) {
return ‘adult’
} else if(age <= 140) {
return ‘senior citizen’
} else if(age < 0 || age > 140) {
return ‘This is not a valid age’
}
};

Since 1 is less than 140, age will be true.