Christmas revellers have been offered a helping hand with an American hangover “cure” that claims to be second only to having an “intravenous stuck in your arm”.

If you're starting university soon - or going back, but worryingly absent-minded - have a good think and read through this checklist to make sure you pack what you absolutely need

The aim of the "hunger summit" to be hosted by David Cameron tomorrow is a laudable one: bringing together heads of state, charities and athletes – including Somalia-born gold medal winner Mo Farah – to talk about the problem of malnutrition in the developing world.

For years, we've counted calories to control weight. But the latest thinking suggests they can't give us the whole picture.

The case of the soldier who went berserk in Afghanistan and killed 16 people must be utterly baffling to psychiatrists. Who can imagine what might cause someone in a stable environment such as Kandahar, with reliable role models training you to distrust the entire local population as terrorists, and no access to weapons except automatic machine guns, to flip like that? Still, they say it's always in the tranquil places that these things happen.

The best way to win the people’s hearts and minds? Burn copies of their holy book

A malnourished child is not the same as a starving one. They may not even be hungry, if they get enough calories. But what kind of calories? A child needs protein to grow and micronutrients are essential to development. Millions lack both.

Scientists say fortifying foods with nutrients could help save lives, while critics say it's mass medication and unethical. Meg Carter hears the arguments.

A quarter of all toddlers in the UK are lacking Vitamin D, according to research.

Boosting vitamin D intake could help to prevent age-related diseases, in particular loss of vision and blindness, a study said.

It's not just our insides that need a reboot after Christmas...These products promise to get our skin glowing too

Make your skin glow in the harsh winter weather with a protective moisturiser which softens and nourishes your face

A study made of the white stuff

The integrity of your business begins with your brand. Andrew Wigley, chief operating officer at All About Brands, looks at the pitfalls of making bold claims about what a brand can deliver and the ramifications if it can’t live up to them.