IN BRIEF (Page 19)
China Daily | Updated: 2009-11-04 08:30
Tips to build up immunity
Drink at least 2 liters of water a day to build up your immune system, experts recommend.
Another tip: Cold viruses can be warded off with a diet rich in vitamins and minerals, reports the Technical Inspection Authority (TUV) of Cologne in Germany. Long autumn walks can also boost circulation.
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