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Health scan

A snapshot of the current thinking in medicine, fitness and lifestyle trends that impact your life.

health and fitness Updated: May 13, 2012 02:00 IST

A snapshot of the current thinking in medicine, fitness and lifestyle trends that impact your life.

Teens attached to mum can't handle loss
Adolescents with more attachment anxiety to their mom at age 14 have a harder time adjusting to the loss of a partner than adolescents with less attachment anxiety. Losing a close relationship is highly stressful and a robust predictor of major depression in adolescents, found an examination of the relationship between attachment insecurity, parasympathetic nervous system activity, indexed by respiratory sinus arrhythmia (RSA), and adolescent adjustment to the loss of a close social partner.

Eating your way to heart health
Rutin, a chemical present in apple, orange, onion and green and black tea, prevents blood clots from forming, lowering your chances of having heart attack and stroke. Harvard researchers found that the compound helped block a potentially dangerous enzyme involved in the formation of blood clots. This enzyme - called protein disulfide isomerase - is released very quickly when blood clots form in the arteries and veins. Paper, published in the Journal of Clinical Investigation, say rutin prevents blood clots that occur in both the arteries and veins.

Yoghurt: A scoops of virility
We've all been told that eating yoghurt aids digestion, but a new study shows it also boosts virility. Animal studies show that not only do male mice fed vanilla-flavoured yoghurt develop a swagger when they walked, but also inseminated their partners more quickly. The yoghurt-eaters also had slimmer bodies and shinier fur than their siblings. Yoghurt-fed female mice benefited too - they had larger litters and were more successful at weaning their pups. The team will next look at the association between yoghurt and semen quality in men.

Social jetlag a health hazard
Social jetlag - a syndrome related to the mismatch between the body's internal clock and the realities of our daily schedules -does more than make us sleepy. It is also contributing to the growing tide of obesity, according to a large-scale epidemiological study reported online in Current Biology.
"We have identified a syndrome in modern society," said Till Roenneberg of the University of Munich. "As a result of this social jetlag, people are chronically sleep-deprived. They are also more likely to smoke and drink more alcohol and caffeine." His analysis shows that people with more severe social jetlag are more likely to be overweight.

Emotionally-secure kids are thinner
Children who wake up at night and are allowed to fall back asleep in their parents' bed are less likely to be overweight than kids put back into their own bed, found a study of nearly 500 Danish children aged 2 to 6. It found that children who never slept with parents are three times more likely to be obese than those who did. The positive parental social responses associated with allowing children to sleep with parents creates a sense of security in the child and may protect against obesity, said study author Nanna Olsen of Copenhagen University Hospitals.