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Exercise and Fitness. Sleep. Skin. Disease. CrowdMed. Health Apps Library. Gyroscope Health Tracking App. The Myth of Drug Expiration Dates. This story was co-published with NPR’s Shots blog.

The Myth of Drug Expiration Dates

Grapefruit and pills mix warning. 26 November 2012Last updated at 12:21 ET By James Gallagher Health and science reporter, BBC News.

Grapefruit and pills mix warning

What if your gluten intolerance is all in your head? Read full article Continue reading page |1|2|3 For many sufferers, gluten intolerance may originate in the mind, not the body.

What if your gluten intolerance is all in your head?

But that's nothing to be ashamed of, says a philosopher. Being bilingual 'boosts brain power' 1 May 2012Last updated at 02:49 ET Differences were seen in the brainstem (coloured orange in this picture) Learning a second language can boost brain power, scientists believe.

Being bilingual 'boosts brain power'

The US researchers from Northwestern University say bilingualism is a form of brain training - a mental "work out" that fine-tunes the mind. Why drugs often list headache as a side-effect. Sipping acidic fruit teas can wear away teeth, says study. Media playback is unsupported on your device Sipping acidic drinks such as fruit teas and flavoured water can wear away teeth and damage the enamel, an investigation by scientists has shown.

Sipping acidic fruit teas can wear away teeth, says study

The King's College London team found that drinking them between meals and savouring them for too long increased the risk of tooth erosion from acid. The research, in the British Dental Journal, looked at the diets of 300 people with severe erosive tooth wear. It said the problem was increasing as people snacked more. Fruit squashes, cordials, fruit teas, diet drinks, sugared drinks and flavoured water are all acidic and can cause wear and tear to teeth, the researchers said. The science of a long life.

30 January 2013Last updated at 19:54 ET Bombarded with adverts promising a longer, healthier life, BBC News Los Angeles correspondent Peter Bowes goes in search of eternal youth.

The science of a long life

If we are lucky, we will grow old. Most of us have grey hair, wrinkles, frailty, loss of memory and degenerative diseases to look forward to - if we do not have them already. It is not all bad news. How to live beyond 100. 2 July 2012Last updated at 05:51 ET By Lucy Wallis BBC News There are nearly 12,000 centenarians in Britain today, but with more people reaching 100 how do scientific theories about life expectancy compare with the experience of those who have received a telegram from the Queen?

How to live beyond 100

At the age of 102 Nora Hardwick posed naked as Miss November for a charity calendar. "They couldn't get enough ladies for the 12 months… It was very tastefully done. I had a pink tulle scarf to hide the bits and pieces. " Why I consumed my own blood. Human blood is an extraordinary substance that manages simultaneously to nourish, sustain protect and regenerate our bodies, but despite decades of research we are only just beginning to exploit its full potential.

Why I consumed my own blood

Michael Mosley has been putting his own blood through a series of rigorous tests. In 1897 Bram Stoker's Dracula was published, helping fan an interest in blood-drinking human vampires that has never gone away. In the novel, Count Dracula feeds on human blood and transforms himself from a little old man with white hair into a dark-haired super-athlete. Stoker's novel, and others that came before it (such as "Carmilla", a novel about a lesbian vampire) were in turn inspired by centuries of mythology that have surrounded blood, mainly focused on its alleged powers to heal and restore. In later centuries, medical practice focused more often on blood letting than blood consumption, but the belief in the power of blood to restore and rejuvenate persisted. Can meditation help prevent the effects of ageing? Can meditation really slow down the effects of age?

Can meditation help prevent the effects of ageing?

One Nobel Prize-winner is finding the scientific in the spiritual, writes Jo Marchant. It’s seven in the morning on the beach in Santa Monica, California. The low sun glints off the waves and the clouds are still golden from the dawn. The view stretches out over thousands of miles of Pacific Ocean. In the distance, white villas of wealthy Los Angeles residents dot the Hollywood hills. Such spiritual practices may seem a world away from biomedical research, with its focus on molecular processes and repeatable results.

Meditation boosts genes that promote good health - health - 02 May 2013. Feeling run-down?

Meditation boosts genes that promote good health - health - 02 May 2013

Try a little chanting, or meditation – seriously. Such relaxation techniques can boost the activity of genes involved in several processes beneficial to health, and they only take a few minutes each day to show results. Previous studies have reported changes to the brain while people practise these activities, but a new study shows for the first time that gene activity changes too. Coffee addiction: Do people consume too much caffeine?

22 May 2013 Last updated at 20:58 ET By Jon Kelly BBC News Magazine, Washington DC. How to optimize your caffeine intake. Two doctors at Penn State University have developed Caffeine Zone, a free iOS app that tells you the perfect time to take a coffee break to maintain an optimal amount of caffeine in your blood — and, perhaps more importantly, it also tells you when to stop drinking tea and coffee, so that caffeine doesn’t interrupt your sleep. You’ve probably heard of being “in the zone” — a period where your brain is firing on all cylinders and no obstacle seems insurmountable — but did you know that there’s an optimal “caffeine zone” too? To find the boundaries of this zone, the authors of the app, doctors Frank E. Ritter and Kuo-Chuan Yeh, pored through peer-reviewed studies.

They found that between 200 and 400 milligrams (mg) of caffeine in your bloodstream provides optimal mental alertness, and that below 100mg of caffeine is ideal for sleeping. The Caffeine Zone app shows you a pretty graph of this in action (pictured above). Read more at Caffeine Zone, or download it from the iTunes App Store. BBC Food - How healthy is your coffee? 19 April 2013Last updated at 10:09 By Anna-Louise Taylor BBC Food Greek coffee could be good for the heart, one recent research study suggests. Could all coffee be as healthy? Macchiato, cappuccino, flat white, long black, latte, espresso - for coffee drinkers, there is a myriad of choices out there. Everyday billions of us choose to overlook or embrace its addictive properties and down our caffeine hit, or hits, as the case may be.

But chances are, we are not choosing to drink it due for its health benefits. Caffeine energy drinks 'intensify heart contractions' 2 December 2013Last updated at 00:59 ET Energy drinks packed with caffeine can change the way the heart beats, researchers warn. The team from the University of Bonn in Germany imaged the hearts of 17 people an hour after they had an energy drink. The study showed contractions were more forceful after the drink. The team told the annual meeting of the Radiological Society of North America that children and people with some health conditions should avoid the drinks. Birthweight link to lifelong health. 22 August 2011Last updated at 00:05 A baby's lifetime health is largely decided before birth Why does one person die younger and another survive to old age? Children with older fathers and grandfathers 'live longer'

11 June 2012Last updated at 22:24 ET By Michelle Roberts Health editor, BBC News website. Older dads linked to rise in mental illness. 22 August 2012Last updated at 13:11 ET. Diet 'linked' to low sperm counts. 14 March 2012Last updated at 03:39 ET. Walnuts 'improve sperm health' 16 August 2012Last updated at 05:31 ET By Anna-Marie Lever Health reporter, BBC News. 'Exercise boosts men's sperm count' Making babies happy, healthy - and green. 21 March 2013Last updated at 08:26 ET By Helen Lennard BBC Audio and Music. Can singing a lullaby ease a child's pain? 29 October 2013Last updated at 05:57 ET By James Gallagher Health and science reporter, BBC News. Infants' brains attuned to baby talk and nursery rhymes.

Antibiotics can make young children heavier, says study. 22 August 2012Last updated at 09:47 ET Does exposure to antibiotics affect healthy bacteria? Giving antibiotics to young babies may increase their weight later in life, according to US researchers. A study of 11,532 infants, published in the International Journal of Obesity, showed children under six months who were given antibiotics were heavier in later years. Researchers say the drugs could be affecting bacteria in the gut, leading to weight changes.

The amazing significance of what a mother-to-be eats.