Dr Jim Kennedy of the Royal College of General Practitioners also urged patients to seek medical advice.

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The 44-year-old missed the game to seek medical advice following an operation for cancer of the salivary gland.

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The challenge we, as health professionals, face is persuading patients to listen to that guidance and to seek medical advice.

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Heroin users who display symptoms have been advised to seek medical advice.

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Dual incomes lead to better access to health care, while the companionship of a caring spouse or partner usually compelled people to seek medical advice for health complaints sooner than single people did.

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Similarly, if you think you have taken this drug elsewhere and start to feel unwell, our advice is to seek urgent medical attention.

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