yes
8 minutes when you laugh it adds 8 minutes to your life.
Well I've heard laughing can add 8 years to your life, and also it shows you have a sense of humor and can also show that you like a person. But technically there's really no problem with it.
Laugh eternally Li Laugh eternally Live
The answer is simple it is 8 days for iodine-131 but it depends on what isotope you are talking about
Iodine-131 has a half-life of about 8 days.
Laugh-In - 1967 1-8 was released on: USA: 11 March 1968
Laugh-In - 1967 2-8 was released on: USA: 11 November 1968
Laugh-In - 1967 3-8 was released on: USA: 3 November 1969
Laugh-In - 1967 4-8 was released on: USA: 2 November 1970
Laugh-In - 1967 5-8 was released on: USA: 1 November 1971
Laugh-In - 1967 6-8 was released on: USA: 30 October 1972
platelets have a life span of 8 to 10 days normally in body. In transfused blood the life span is 2-3 days Platelets have a life span for about 5 to 10 days. And it is the Red Blood Cell that has a lifespan for 120 days