Smoking

1. Smoking

1.1. Bad behavior

1.1.1. Angry

1.1.2. Moody

1.1.3. Stress

1.2. Finance

1.2.1. Students issues

1.2.1.1. Budget constrain

1.3. Health

1.3.1. Disease

1.3.1.1. Cancer

1.3.1.2. Lungs

1.3.2. Pregnancy

1.3.3. Brain cells

1.3.3.1. Alzheimer

1.3.3.2. Lack of concentration

1.4. Addiction

1.4.1. Sleep routine

1.4.1.1. Unstructured sleeping time

1.4.2. Depression

1.4.3. Give up on valuable things

1.4.3.1. Hobbies

1.4.3.2. Favorite stuff

1.4.3.3. Necessities

1.4.4. Addiction + affects young age

1.5. Pollution

1.5.1. Co2

1.5.1.1. Less oxygen

1.5.1.2. Atmosphere

1.5.1.3. Ozone layer

1.5.2. Cigaret filters

1.5.2.1. Pollution

1.5.2.1.1. Soil

1.5.2.1.2. Water

1.5.2.1.3. Plants

1.5.2.1.4. Animals

1.5.2.2. Never dissolve

1.6. None smokers

1.6.1. Negative effects

1.6.2. Less communication with smokers

1.7. Society

1.7.1. Mouth smell

1.7.1.1. Hard time making friends