Healthy Lifestyle and Community Health

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1Summary 重點摘要

A healthy lifestyle means a balanced diet, regular exercise and enough rest; sedentary and unhealthy patterns harm body and mind. Teenagers should accumulate at least sixty minutes of aerobic activity a day, sleep eight to ten hours and use community health promotion and disease prevention services, practising as a family.

2Vocabulary cards Vocabulary

3Step by step Steps

1. Three lifestylesThe healthy lifestyle combines a balanced diet, daily exercise, regular rest and no smoking or drinking, keeping the body working well. The sedentary lifestyle means sitting or lying for most of waking hours with very low energy use — for example, playing on the phone all evening after school. The unhealthy lifestyle adds smoking, alcohol, late nights and a long-term diet high in fat, salt and sugar. For example, two classmates with the same homework, one exercising an hour daily and asleep by eleven, the other online late and never moving, will show a striking gap in fitness tests and class alertness within half a year.
2. Sedentary harm and remediesSitting harms slowly and widely: muscles weaken without use, unused calories turn to weight, screens strain the eyes and poor posture burdens the neck and back; those who sit most also tend to feel low. The remedy is to break up the day: stand and stretch for a few minutes after about an hour of sitting, leave the seat between lessons, and exercise right after school. For example, leaving the phone in another room while doing homework and getting up five minutes to stretch and drink after each subject sharpens focus and eases backache.
3. Types and amounts of exerciseExercise falls into three kinds: aerobic activities such as jogging, swimming, cycling and rope skipping train the heart, lungs and endurance; strength training such as push-ups, sit-ups and planks builds muscle and bone; stretching such as stretching routines and yoga improves flexibility and reduces injury. The World Health Organization advises ages five to seventeen to average at least sixty minutes of moderate-to-vigorous aerobic activity daily, plus strengthening exercise weekly. For example, a brisk twenty-minute walk to school, the 800-metre run in PE and fifteen minutes of rope skipping in the evening already reach the target — no single long session needed.
4. Rest and sleepEnough, regular sleep is the base of health. Secondary students need eight to ten hours a night: growth hormone is secreted most during sleep and memory is consolidated overnight; chronic late nights weaken focus, mood and immunity. Keep fixed times for bed and waking, not too far apart even at weekends; put screens away an hour before bed and keep the room dark and quiet. For example, finishing revision after dinner and sleeping by eleven ends morning drowsiness, while lying in until noon on Sunday only brings sleeplessness on Sunday night and wrecks the rhythm of the whole week.
5. Family roles and harmonyEvery family member has roles and duties: parents carry the caring and financial load, while children share housework and manage themselves. Harmony grows from sharing a common family vision, learning to handle conflict, understanding and considering others' needs, and keeping good social habits and attitudes. For example, in a disagreement, calm down first, state your feelings and needs clearly and hear the other side out before talking solutions, rather than talking back at once; a family workout or cooking a dinner together at the weekend warms the relationship and turns healthy habits into family tradition.
6. Community health: promotion and preventionCommunity health works in two directions. Health promotion actively raises health: government student health services for primary and secondary students, healthy eating in schools, and community sports halls, pools and parks. Disease prevention stops illness before it starts: vaccination programmes for infants and schoolchildren, regular check-ups, and personal hygiene such as washing hands, covering coughs, wearing a mask and resting at home when ill. For example, having the flu vaccine before the season and washing hands daily is easier and more effective than seeking treatment after falling ill — prevention beats cure.
7. Planning a family exercise weekA weekly family plan starts with a survey of everyone's timetable, fitness and interests, then distributes activity to meet the recommended amounts. The plan must be concrete — day, time, activity and duration written down — executed together as a family, recorded, reviewed at the weekend and adjusted. For example, family jogging for twenty minutes on Tuesday and Thursday evenings, rope skipping for you and swimming for your younger sister on Friday, and a two-hour family hike on Saturday morning, with brisk walks to and from school topping up the weekdays; stick the plan on the fridge and tick each box, and in a month the whole family is fitter and fresher.

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8Recap Recap

• Lifestyles divide into healthy, sedentary and unhealthy — each leaves deep marks on body and mind
• Teenagers should accumulate at least sixty minutes of aerobic activity a day, plus weekly strength training
• Secondary students need eight to ten hours of sleep, a fixed routine and less screen time before bed
• Families stay harmonious when everyone plays their part, handles conflicts well and shares activities
• Community health runs on promotion and prevention: use community facilities, vaccinate and keep personal hygiene