"If you're 25 years old, a market sell-off like this is a blessing," Barry Ritholtz says of the recent market volatility.

What if simply smelling a cup of coffee had the same effect on your energy levels as actually drinking it? Would you nix your morning cuppa altogether? With cold winter days making it harder than ever ...

However, more activity may occur in a brain region called the deep limbic system, which relates to mood. This may cause symptoms similar to those of depression. As such, Dr Amen proposes that ...

It doesn’t sound genuine, does it? Image caption, The limbic system of the brain sets in motion the physical reaction of laughter. There is no scientific consensus on what makes us laugh but it ...