Do you smoke or are you exposed to second hand smoke?

How many units of alcohol do you drink in an average week?

One unit equals 1 glass (200ml or 6.8 fl. oz.) of beer (4%) / 1 dl (3.4 fl. oz.) of wine (10%) / 25ml (~0.85 fl. oz.) of spirits (40%)

How many hours of sleep do you get per night?

Please answer while keeping your average night in mind.

How often do you catch cold?

What is your stress level?

Please fill all questions!