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For example, people with diabetes may have fruity or sweet breath. The smell is caused by ketones, chemicals produced when the body begins to burn fat instead of glucose for energy, a metabolic condition known as ketosis."The idea that…

On Tuesday, the United Nations is expected to adopt new targets to end AIDS as a public health threat by 2030, a target that most countries could seemingly easily agree to. But consensus was elusive.In early negotiations on what is known…