The study is a cross-sectional-descriptive study. Cases who met the inclusion criteria, agreed to participate in the study voluntarily, were active smokers, passive smokers and non-smokers will be included. The subjects will be given the maximal voluntary breath-hold test, the 6-minute walk test, and the 30-second sit-and-stand test, and will be asked to answer questions about smoking. The physical conditions of the groups will be compared.

The study is a cross-sectional-descriptive study. Cases who met the inclusion criteria, agreed to participate in the study voluntarily, were active smokers, passive smokers and non-smokers will be included. Active smoking, passive smoking status and non-smoker status of the cases will be determined within the framework of the definitions given below.

• Active smoker: Having smoked at least 1 cigarette per day for at least 2 years.
• Passive smoker: Being exposed to secondhand smoke for more than 15 minutes at home, school, office or anywhere in the past year, once a week.
• Non-smoker: Not being an active or passive smoker.

The subjects will be given the maximal voluntary breath-hold test, the 6-minute walk test, and the 30-second sit-and-stand test, and will be asked to answer questions about smoking.The physical conditions of the groups will be compared.

Inclusion Criteria for Active Smokers

• Being between the ages of 18-75
• Smoking at least 1 cigarette a day for at least 2 years

Inclusion Criteria for the Passive Smoker Group

• Being between the ages of 18-75
• Being exposed to cigarette smoke for more than 15 minutes at home, school, office or anywhere in the last year, once a week.

Inclusion Criteria for the Non-Smoker Group

• Being between the ages of 18-75
• Not being an active or passive smoker

Exclusion Criteria:

• Having any disease that prevents him from doing exercise tests
• Not signing the voluntary informed consent form

Active, pasive smoker and non-smoker volunters