None
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age >= 18 years and BMI < 28.0 kg/m^2; 2. Physical health, no respiratory, circulatory, or endocrine system diseases in the last month, and no medication in the last two weeks; 3. No unhealthy lifestyle such as smoking or drinking, and no passive smoking in the last month.
Exclusion criteria
Exclusion criteria: 1. Having adverse cardiopulmonary symptoms or infectious diseases during the study period; 2. Having unhealthy lifestyles during the study period
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| lung function;blood pressure;heart rate;heart rate variability; | — |
Secondary
| Measure | Time frame |
|---|---|
| height;weight; | — |
Countries
China
Contacts
School of Public Health, Tongji Medical College, Huazhong University of Science and Technology