Medical research

Medical infusion bags can release microplastics, study shows

Microplastics have been found almost everywhere that scientists have looked for them. Now, according to research published in Environment & Health, these bits of plastic—from 1 to 62 micrometers long—are present in the ...

Medical research

What happens in the male mouse brain during sex

To uncover what drives sexual behavior in animals, researchers studied the brain activity of male mice throughout the series of actions involved in sex leading up to ejaculation. Their results, published in Neuron, show that ...

Medical research

Prion protein may play key role in progression of glioblastoma

Glioblastoma (GBM), one of the most aggressive types of brain cancer, is one of the greatest challenges for medicine, both because it is difficult to treat and because of its high mortality rate. In Brazil, although no exact ...

Medical research

Kratom to be tested for addiction risk in clinical trial

Popular for its stimulating and pain-relieving properties, the herb kratom can be as easy to buy as a bag of chips in many parts of the U.S. That's also raised questions about whether kratom should be more closely regulated.

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