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The Department of Health has reminded people, particularly those undertaking outdoor activities, to take necessary measures to prevent heatstroke and sunburn.
With hot weather in the next few days, the Assistant Director of Health (Health Promotion), Dr Regina Ching, said today (July 2) that people should make sure that they took and drank plenty of water to prevent dehydration while engaged in outdoor activities.
ˇ§People engaging in strenuous outdoor activities should avoid beverages containing caffeine (such as coffee and tea) and alcohol, since these substances will speed up water loss from the body through the urinary system.
ˇ§Particular attention should be paid to children, the elderly, the sick (including those with heart disease and high blood pressure) and obese people who are more vulnerable to heat-related illnesses," Dr Ching said.
When going outdoors, following protective measures should be considered:
* Wear light-coloured loose clothing to reduce heat absorption and facilitate sweat evaporation and heat dissipation.
* Do not engage in prolonged activities such as hiking or trekking under extremely hot weather, as the heat, sweating and exhaustion place additional demands on oneˇ¦s physique.
* Choose to perform outdoor activities in the morning or late afternoon.
* Reschedule your work to cooler times of the day. If you must work in a hot environment, introduce shading in the work areas where practicable, then start slowly and pick up the pace gradually. Get into a cool area for a rest every now and then to let your body recuperate.
* Take heed of the measured and forecast UV index released by the Hong Kong Observatory. When the UV index is high (6 or above), the public should consider wearing long sleeved clothing, a wide-brim hat or using an umbrella, seeking shade, putting on UV blocking sun-glasses and applying sunscreen with a protection factor of 15 or above. These precautions should be reinforced for higher levels of the UV index.
* If you choose to perform exercise indoors, make sure that indoor ventilation is adequate.
Dr Ching said that any person feeling unwell should stop immediately and seek medical advice as soon as possible.
People wanting more information on the prevention of heatstroke and protection against UV radiation can call the Department of Health's Central Health Education Unit Hotline at 2833 0111. Information can also be obtained from the department's health educational homepage at http://www.cheu.gov.hk.
Ends/Wednesday, July 2, 2008
Issued at HKT 16:02
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