Eczema can be a year-round torment for the 1.6 million adults affected in the UK, but winter causes particular misery. So how can you avoid it – or treat it if you have it?

It’s not until your knees start hurting that you realise how much work they do. So, which problems should you worry about, and which treatments should you try?

It’s essential for a healthy immune system and regulates mood. A growing number of UK clinics market vitamin injections to healthy people but do you really need them?

Prostate cancer kills as many men as women killed by breast cancer. But now new MRI techniques could help identify men at risk

The internet is awash with people claiming that ‘miracle diets’ can prevent or cure cancer. But beware – taking the wrong advice can be disastrous, say experts

The Romans treated hangovers with raw owls’ eggs; the Assyrians went for powdered birds’ beaks. Do any of the ‘miracle cures’ really work?

About 20% of people develop visible varicose veins – while 84% of us get thread veins on our legs. What can you do to prevent them? And can they pose a serious health risk?

Diabetes affects four million people in the UK, and more are diagnosed each year. But what is it and how is technology revolutionising the lives of those who have it?

Is it the result of stress? Or an ear infection? And will it actually go away if rest is avoided?

Can head lice jump? Do they prefer clean hair? Should you buy a special comb? And how do you get rid of them? Get the louse lowdown

One in five Brits believe they have a serious allergy – but most of them are wrong. So how do you find out if you are really in danger?

Should you stop using a computer, does it matter if you don’t take your makeup off at night, and are there really mites living on your eyelids?

Can stress make my hair turn white? Does unwashed hair clean itself? And what causes baldness in both men and women?

Desire, arousal and pain: psychotherapist Pamela Stephenson Connolly answers the questions most commonly asked by readers of the Sexual Healing column

Will it clear up by itself? Could it be asthma or even lung cancer? And when should you see the GP?

Does anti-ageing moisturiser work? Will what I eat affect my skin? And is it ever OK to squeeze a spot?

Stomach pain can be hard to avoid at Christmas. Is it a sign of underlying health problems? And will changing your lifestyle help?

Why does it hurt? How do you know if it’s serious? And do manual therapies help?

Take zinc? Keep away from kids? Here’s a no-nonsense guide to avoiding colds this winter

How often should you brush your teeth? What kind of toothpaste should you use? And is mouthwash a good idea?