1. Ysmygu
1.1. Problemau
1.1.1. Pwysedd gwaed uchel- High blood pressure
1.1.2. Diffyg anadl- Breathless
1.1.3. Peswch- Cough
1.1.4. Cancr yr ysgyfaint- Lung cancer
1.1.5. Ysmygu goddefol- Passive smoking
1.1.6. Gostus/Arferiad drud- Expensive habit
1.2. Rhesymau
1.2.1. Pwysau gwaith ysgol/arholiadau- Pressure at school/work
1.2.2. Maen nhw eisiau colli pwysau- They want to loose weight
1.2.3. Mae'n ffasiynol/trendi- Fashionable
1.2.4. Problemau teuluol- Family problems
1.2.5. dylanwad ffrindiau- Friends influence
1.2.6. maen new'n teimlo'n rhwystredig- Stressed and frustrated
2. Bwyta afiach
2.1. Problemau
2.1.1. Pydredd Dannedd- Tooth decay
2.1.2. Pwysedd gawked uchel- High blood pressure
2.1.3. Gordwedra- obesity
2.1.4. Cancr/ Stroc- Cancer/Stroke
2.1.5. Clefyd y galon- Heart disease
3. Dathlu
3.1. Nadolig- Christmas
3.2. Pen-blwydd- Birthday
3.3. Dydd Gwyl Dewi- St Davids day
3.4. Past- Easter
3.5. Priodas- Wedding
3.6. Parti diwedd arholiadau- End of exams party
4. Alcohol
4.1. problemau
4.1.1. Problemau meddygol/Iechyd- Medical/Health problems
4.1.2. Clefyd yr aft/galon-liver/heart disease
4.1.3. Iselder ysbryd- Depression
4.1.4. Nixed i'r corff- Damage to the body
4.1.5. DIbyniaeth- Dependence
4.1.6. Ymddygiad gwrthgymdeithasol- Anti social behaviour
4.1.7. Problemau yn y gymuned/ardal- Problems in community/ in the area
4.2. Rhesymau
4.2.1. Pwysau cyfoedion- Peer pressure
4.2.2. Maen nhw'n hoffi'r teimlad- They like the feeling
4.2.3. Maen nhw'n hoffi'r blas- They like the taste
4.2.4. Mae'n cwl- It's cool
4.2.5. Mae'n ffasiynol- Its fashionable
4.2.6. Mae'n helpu ymlacio- Helps to relax
5. Cyffuriau
5.1. Rhesymau
5.1.1. I wella perfformiad- To improve performance
5.1.2. Maen nhw'n ymlacio- They are relaxing
5.1.3. Man nhw'n cael hwyl- They are fun
5.1.4. I anghofio am broblemau- Forget problems
5.1.5. Dylanwad ffrindiau- Influence from friend