"If we identify them, if we get to them quickly enough, we can really cure them and prevent them from dying, " he said.

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Engagement signifies that a person is involved in a process through which he harmonizes robust information and professional advice with his own needs, preferences and abilities in order to prevent, manage and cure disease.

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At the same time, we are seeing increasing rates of diseases and conditions that tonsillectomies can prevent or cure, like infections, and even cancer, of the tonsils.

BBC: UK 'doing too few tonsil operations'

Imagine a world with unlimited food, water, and energy in which we prevent disease rather than cure it and in which our lifespans increase along with our wisdom and knowledge.

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The fundamental charge of US healthcare providers may be to prevent and cure disease.

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Currently, there is no cure for food allergies, so early recognition and management of allergic reactions are important measures to prevent serious health consequences.

CNN: Food allergy diagnosis: What parents should know

There will be the usual debates in Washington about how best to prevent HIV from spreading, about whether a cure is a reasonable ambition, and how to support the millions of people with HIV around the world to live long and healthy lives.

BBC: 'Nobody is prepared' - The challenges of ageing with HIV