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Superficial frostbite, in which the skin feels cold and numb. The surface of the skin will have a white waxy look, with grayish-yellow patches in affected areas.
Working in the hot summer sun can cause more than just discomfort. Serious medical conditions such as dehydration, fainting and heat stroke can send many workers to the hospital – and can even prove fatal in some cases.
One serious risk of outdoor work is Lyme disease, which is spread when individuals are bitten by infected ticks. Initial symptoms of the disease include fever, headache, fatigue and skin rash.