Immunology

Summer thunderstorms can leave asthma-sufferers breathless

As the weather heats up, many are looking forward to getting outside for some fun in the sun. But for asthma-sufferers, the summer season can present dangerous conditions through asthma triggers that many are unaware of, ...

Health

Why climate change might be affecting your headaches

Recurring headaches are one of the most common nervous system disorders, with an estimated 45 million, or one in six, Americans complaining of headaches each year. People who experience headaches or migraines regularly are ...

Diseases, Conditions, Syndromes

One billion threatened by cholera: UN

One billion people in 43 countries are at risk of cholera—a "pandemic killing the poor"—despite prevention and treatment being relatively straightforward, the United Nations warned on Friday.

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Climate change

Climate change is any long-term change in the statistics of weather over periods of time that range from decades to millions of years. It can express itself as a change in the mean weather conditions, the probability of extreme conditions, or in any other part of the statistical distribution of weather. Climate change may occur in a specific region, or across the whole Earth.

In recent usage, especially in the context of environmental policy, climate change usually refers to changes in modern climate (see global warming). For information on temperature measurements over various periods, and the data sources available, see temperature record. For attribution of climate change over the past century, see attribution of recent climate change.

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