In the other studies, there was no evidence of adverse effects on kidney and liver function, no reports of light-headedness or loss of consciousness, no evidence of fluid or electrolyte loss that might contribute to heat stroke.

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Signs of a stroke include dizziness, sudden weakness or numbness, loss of speech or trouble talking, severe headaches and a reduction or loss of vision.

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Princess Margaret is said to be experiencing a "severe loss" of appetite, following her recovery from a suspected second stroke just before Christmas.

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Arriving within five minutes results in the loss of the first hole in match play or two strokes at the first hole in stroke play.

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