as long as prescribed by the vet
If you own a dog with long hair then you should use a brush with long bristles or if you have a dog with short hair then you should use short bristle brushes to brush them.
You should use your treadmill on a regular basis. You should use it every day if possible. You should use the treadmill for twenty to thirty minutes.
as long as it takes to clear up your acne
depends how long you use them
TOO long, that is why you should use paper or re-use a glass plate
you should use a curry comb on a horse for up to 6 minutes.
When working out you should increase the weight you use gradually as you progress with your workout.
Use a bandaid as long as it is leaking fluids.
If they are kept sterile, then they should last until you use them.they should last until you use them.
Your hair should be long and it should be strong to withhold breakage.
As long as you use protection no you dont have to worry.