10 things you should know about Ebola



A primer on the deadly virus that's taking root in Congo and scaring people around the globe.



Legionnaires' disease: What you need to know



Legionnaires' disease is a sometimes-deadly pneumonia found in building water systems.



It's not just sadness that can lead to a broken heart



'Broken-heart syndrome' is typically linked to stress or grief, but it may be caused by happy events or even cancer.



This is a 'Manifesto' I can get behind



In 'This Chair Rocks,' author Ashton Applewhite tells us not to take getting old sitting down.



Just seeing nature may curb unhealthy cravings



If you have an outdoor view, you're getting the benefit of Mother Nature.



Why some stress is actually good for you



We often hear about the negative impacts of stress, but some stress is necessary — and even healthy.



Why do we walk with straight arms but run with our arms bent?



Researchers looked at walkers and runners with bent and straight arms to find out.



What is kratom and is it dangerous?



The FDA says kratom acts like an opioid and warns against using the popular supplement.



What is fatigability?



Fatigability is a way to measure how fast you get tired.



Why Monday takes a bite out of Sunday



'Sunday Scaries' are a real source of anxiety for millions of people, but they can be beaten.



Which exercise is best at boosting brain power?



Researchers put running, weightlifting and interval training to the test to see which one was best for the brain.



Why fake smiles don't always make you happy



If you smile when you don't feel like it, will it truly make you happy?



3 more reasons you should avoid triclosan



New studies link triclosan to osteoporosis and impaired muscle function.



Well, here's a good reason to go to bed earlier



People who stay up late and sleep in late have a greater risk of early death, U.K. researchers find.



How safe are e-cigarettes?



Even as San Francisco becomes the first city to ban them, electronic cigarettes are surging in popularity.




Electrolytes help lower blood pressure



Increasing levels of electrolytes such as potassium and magnesium, while lowering sodium intake, could be as effective as drugs for lowering blood pressure.



Healthy teeth and gums linked to lower liver cancer risk



More benefits of healthy teeth and gums are revealed as a new European study confirms that poor oral health is associated with a 75% increased risk liver cancer.



How wholegrain rye bread cuts type-2 diabetes risk



The consumption of wholegrain rye could significantly lower serotonin concentrations in the gut, helping to lower glucose levels and, therefore, the risk of type-2 diabetes.



Humans evolved to benefit from fermented foods



German scientists have uncovered an evolutionary basis for our affinity with fermented foods, and with it a greater understanding of how lactic acid bacteria interact with our bodies.



Poor sleep quality link to peptic ulcer relapse



Other factors besides the bacteria H. pylori could cause peptic ulcer recurrence and, according to new research, lack of quality sleep is chief among these.



Sunscreen chemicals easily absorbed into the bloodstream



With regular use the chemicals in your sunscreen can be absorbed into the bloodstream at levels high enough to raise health concerns.



Elderberry compounds help minimise flu symptoms



New evidence shows how active compounds in elderberries strengthen immune response and act directly on the flu virus to keep it from infecting human cells.



Acupressure relieves long-term symptoms of breast cancer treatment



Acupressure could be a low-cost, at-home solution to a suite of persistent side effects that linger after breast cancer treatment ends, say US researchers.



Common food additive could raise the risk of diabetes and obesity



A food ingredient widely used in baked goods, animal feeds and artificial flavorings, appears to increase levels of several hormones that are associated with risk of obesity and diabetes, according to new research.



Childhood asthma and inflammation – the role of dietary fatty acids



New research demonstrates that dietary omega-3 and omega-6 may have opposite effects on the severity of asthma in children exposed to indoor air pollution.