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Greenlandic gene could be key to beating obesity

The Inuit people carry a genetic variant, which increases their risk of developing obesity and type 2 diabetes.

School programme tackling child obesity had no effect

A big experimental programme tested out activities that would encourage students to eat healthier and be more active. It had no effect.

Test yourself: Are you addicted to exercise?

Danish researchers have developed a world first. It is a new method to spot exercise addiction among children and young adults.

Why you should read and train to boost your brain

Exercise and reading create visible changes in the brain, according to research on nuns and rats in luxury cages. The brain can generate new brain cells and neural pathways, offering hope for stroke victims.

Are mercury dental fillings really that dangerous?

If mercury is unhealthy for us to eat in fish, why is it okay for it to be in dental amalgam in our mouths?

Genetic predisposition for obesity increases risk of asthma

Some cases of asthma might be avoided by maintaining a healthy weight.

Genetic test identifies “high risk” lymphatic cancer patients

Patients with mantle cell lymphoma are more likely to relapse if they carry mutations in the cancer gene, TP53. The results could help provide more targeted treatments for this “high risk” group.

More breast cancer among women with benign findings

Women who are called in for more testing after mammography and whose results are then OK are more likely than others to develop breast cancer in the subsequent two years. But the absolute risk remains low.

Can a baby’s smell help with depression?

A newborn’s head has a distinctive smell. Could it be harnessed to treat mental illness? A team of Swedish scientists thinks the idea has promise.

Ibuprofen can damage men’s endocrine system

Scientists saw a hormone imbalance in 14 young men who took ibuprofen for two weeks similar to that of a 70-year-old.

Can you trust “safe periods” as a form of birth control?

It’s a well-known phenomenon that a woman’s body temperature can help predict when she is least — or most —likely to become pregnant. Swedish researchers have studied this phenomenon and are selling a mobile phone app as a form of natural birth control. Their efforts are not without controversy.

Fat metabolism protects the body against toxins from sugar

When the body burns fat it creates compounds that counteract some of the harmful effects of sugar.