That depends largely on the amount of use you make of the affected joints.
40 days
40 weeks
30-40 days
40 minutes
40 days and 40 nights.
40 days
30-40 days
Almost all light bulbs can stay on for at least 40 hours straight. :)
They generally live 40 to 50 years.
40 years
How long does the narcotic Hydromorphone stay in your blood?
About 30 to 40 seconds but with an oxygen tank it just depends on the tank