Health

Poor semen quality in Switzerland

Over the last 50 years, a marked decrease in sperm count has been observed in the western world. But what about the situation in Switzerland? Up until now, no study had evaluated the reproductive health of Swiss young men. ...

Medical research

More evidence that blood tests can detect the risk of Alzheimer's

A new study confirms that a simple blood test can reveal whether there is accelerating nerve cell damage in the brain. The researchers analysed neurofilament light protein (NFL) in blood samples from patients with Alzheimer's ...

Psychology & Psychiatry

Anxiety traits are visible in the brain

Questionnaires or concentration tasks can be used to screen for anxiety, but so too can EEG recordings – at least indirectly. The frequent mind wandering of anxious people can also be seen on MRI scans. These are just some ...

Health

JUUL electronic cigarette products linked to cellular damage

Little is known about the potential health effects of JUUL e-cigarette products that have recently risen in popularity, especially among adolescents. The Food and Drug Administration, or FDA, has a growing concern about this ...

Obstetrics & gynaecology

Stillbirth risk up with high serum bile acids in pregnancy

(HealthDay)—The risk of stillbirth is increased in women with intrahepatic cholestasis of pregnancy when serum bile acids concentrations are ≥100 µmol/L or more, according to a review published in the March 2 issue of ...

Immunology

Salt could be a key factor in allergic immune reactions

Salt apparently affects allergic immune reactions. A team working with Prof. Christina Zielinski at the Technical University of Munich (TUM) has demonstrated in cell cultures that salt leads to the formation of Th2 cells. ...

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Concentration

In chemistry, concentration is defined as the abundance of a constituent divided by the total volume of a mixture. Four types can be distinguished: mass concentration, molar concentration, number concentration, and volume concentration. The term concentration can be applied to any kind of chemical mixture, but most frequently it refers to solutes in homogeneous solutions.

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