For rheumatoid arthritis sufferers whose painful illness prompts depression, relief may come from the practice of an age-old technique already embraced by millions around the world: meditation.
Doctors are able to switch off the part of their brain that helps them appreciate the pain patients experience during treatment, and instead turn on a brain area that controls emotions, according a study by American and Taiwanese researchers.
If you only have five minutes to pick a mate, you're likely to do it the way your ancestors did, with men seeking beauty and women looking for security, wealth and commitment.