The first human has died from the H10N8 avian flu virus, which has only been detected in birds until now. Take a look at history's four main flu outbreaks.
The Spanish flu came on quickly. Some people felt fine in the morning but died by nightfall. People who caught the Spanish Flu but did not die from it often died from complications caused by bacteria, such as pneumonia.
Many foods that you think have health benefits may hold hidden dangers for your diet.
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Few celebrities can contend with Thursday's 50-year-old birthday boy Charlie Sheen when it comes to spectacular public meltdowns. Take a look at Sheen other stars who have fallen from grace.