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The Department of Health has reminded people, particularly those engaged in outdoor activities, to take measures to prevent heat stroke and sunburn in view of the very hot weather, with the temperature reaching 33 degrees Celsius, these few days.
The Assistant Director of Health (Health Promotion), Dr Regina Ching, today (September 10) said people should make sure that they drink plenty of water to prevent dehydration while engaged in outdoor activities.
"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."
"Particular attention should be paid to children, the elderly, the sick (including those with heart disease and high blood pressure) and obese persons 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 one¡¦s physique.
* Choose to perform outdoor activities in the morning or late afternoon.
* Re-schedule 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 made from close woven fabric and 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. The above precautions should be reinforced for higher levels of the UV index.
* If you choose to 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.
Members of the public wishing to get more information on the prevention of heat stroke and protection against UV radiation can call the DH's Central Health Education Unit hotline at 2833 0111. Information can also be obtained from DH's health educational homepage at www.cheu.gov.hk.
Ends/Wednesday, September 10, 2008
Issued at HKT 11:02
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