Medical Headlines

High oxytocin levels 'trigger oversensitivity to emotions of others'

Oxytocin is commonly referred to as the "love hormone." It plays a significant role in social bonding, and recent studies have shown that the hormone can help people with autism and schizophrenia to better interact with others. But new research suggests that, for healthy young adults, too much oxytocin can result in oversensitivity to the emotions of others.

Move more, sit less to reduce heart failure risk, say researchers

A lower risk of heart failure is linked not only to doing more exercise, but also independently to spending less time sitting, concluded US researchers after analyzing 8 years of health data on 84,000 men.Reporting their findings in the journal Circulation: Heart Failure, Dr.

Mediterranean diet may reduce the risk of peripheral artery disease

Past studies have suggested that following a Mediterranean diet may reduce the risk of heart attack and stroke. Now, a new analysis of previous research suggests that the diet, supplemented with extra-virgin olive oil or nuts, may reduce the risk of peripheral artery disease. This is according to a research letter published in the journal JAMA.

Scientists create synthetic self-propelled swimming bio-bots

Engineers at the University of Illinois have created a new "species" of swimming micro-organisms. They hope these could one day develop into "smart structures" that could help with delivering drugs or targeting cancer.These wonders of modern engineering are a miniature mix of biological and engineered components.

Portable magnetic stimulation device 'effective' against migraines

According to The Migraine Trust, there are approximately 190,000 migraine attacks in the UK every day. Now, a new device that sends magnetic impulses to the brain could help combat the condition, and has been recommended as a treatment by the UK's National Institute for Health Care and Excellence.

Cocaine users 'do not enjoy social interaction and lack empathy'

New research from the University of Zurich in Switzerland suggests that people who regularly use cocaine struggle to feel empathy for others and are less likely to enjoy social interactions, compared with individuals who do not use the drug.

Tonsillectomy care for children differs by hospital

Though parents might expect their children to receive consistent care across hospitals in the US for routine procedures, a new study published in the journal Pediatrics investigates how quality of care for children after a tonsillectomy varies from hospital to hospital.

Enjoy life more - your body will age better, study shows

A new study from the UK and published in the Canadian Medical Association Journal claims that people who enjoy life will have better physical function and faster walking speeds than their more pessimistic counterparts.We already know there are health benefits associated with a positive outlook on life.

Shifted sleep disrupts genetic rhythm

A new study from the UK finds that when we shift our sleep time, it disrupts the daily rhythms of our genes. Researchers from the University of Surrey report their findings in a study to be published in the Proceedings of the National Academy of Sciences.The study also shows that some genes follow sleep-wake cycles, and some are regulated by central body clocks.

Can sunlight protect against heart attack and stroke?

New research conducted by the Universities of Southampton and Edinburgh in the UK, and published in the Journal of Investigative Dermatology, suggests that exposure to sunlight may help reduce blood pressure. In turn, this could cut the risk of heart attack and stroke.According to the National Institutes of Health, about 1 in 3 adults in the US have high blood pressure.

Middle-school girls 'play soccer with concussion symptoms'

For teenagers who play soccer, there are bound to be some bumps to the head from time to time. But a new study has found that concussions are common among middle-school girls who play soccer, and the majority of these girls continue to play when they have concussion symptoms.This is according to a new study published in JAMA Pediatrics.

Is aggression in toddlers down to genetics?

A new study carried out by the University of Montreal and CHU Sainte-Justine Hospital in Montreal, Canada, suggests that physical aggression in toddlers develops more as a result of genetic rather than environmental factors.

Chocolate, wine and berries may protect against type 2 diabetes

Good news for chocolate and wine lovers. New research suggests that consuming high levels of flavonoids, found in foods such as chocolate, tea, berries and wine, may help protect against type 2 diabetes. This is according to a study recently published in The Journal of Nutrition.

Secondhand smoke linked to hospital readmission for asthmatic kids

A new study reveals that children who have asthma are much more likely to be readmitted to the hospital within 1 year if they are exposed to secondhand smoke at home or in the car.Researchers from the study, which was published in the journal Pediatrics, say their findings could prompt insurance companies to give incentives to parents or guardians who quit smoking.

New hope for lupus screening and treatment

Researchers from the University of Alabama at Birmingham (UAB) have discovered a new immune protein influencing autoimmune diseases such as lupus and multiple sclerosis.In autoimmune diseases like lupus, the body's immune system overreacts and attacks healthy tissue, instead of just eliminating germs.

Researchers find cause of calcium-triggered arrhythmias

A new study published recently in Nature Medicine describes how researchers in Canada have discovered the underlying biological mechanism of calcium waves in the heart and how they trigger a type of arrhythmia that can lead to sudden death.The researchers, led by senior author Dr.

Popular blood type diet claims are 'not valid,' researchers find

People around the world are familiar with the blood type diet, a lifestyle plan instructing followers to eat and exercise in certain ways, depending on their blood type. But new research debunks the claims made by creator Peter D'Adamo, suggesting an individual's nutritional needs do not actually vary by blood type.

Vitamin B3, fiber 'protects against colon cancer and inflammation'

Previous research has suggested that a diet rich in fiber may reduce the risk of colon inflammation and cancer. But new research suggests that niacin, also known as vitamin B3, may also help protect against these conditions.The research team, including co-author Dr.