- For a Healthier Heart, Stick to 6 to 8 Hours of Sleep – Health
- Teenagers who smoke and drink suffer ill effects by age of 17 – BBC News
- The New Old Age | The Walrus
- STD Rates Are Higher Than They’ve Ever Been. Why? | Time
- Smoking, Drinking a Double Whammy for Teens’ Arteries: Study – Health
隔了快六個月才想起來該去捐血了。