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Lasers! No Sharks, Though ...

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A new study published in Science Translational Medicine shows that lasers could play a role in the treatment of cancer, reports New Scientist's Jessica Hamzelou. Lasers could be used to destroy lymphatic vessels that help the cancer spread itself around, therefore stopping cancer from spreading to other systems. Such photodynamic therapy treatments are already used on cancer patients to target tumors, but the University of Helsinki researchers who authored the study thought it could also be used to halt metastasis, Hamzelou says. The team conducted its experiments on mice and researchers are now working on ways to adapt the study to human subjects.

The Scan

Fertility Fraud Found

Consumer genetic testing has uncovered cases of fertility fraud that are leading to lawsuits, according to USA Today.

Ties Between Vigorous Exercise, ALS in Genetically At-Risk People

Regular strenuous exercise could contribute to motor neuron disease development among those already at genetic risk, Sky News reports.

Test Warning

The Guardian writes that the US regulators have warned against using a rapid COVID-19 test that is a key part of mass testing in the UK.

Science Papers Examine Feedback Mechanism Affecting Xist, Continuous Health Monitoring for Precision Medicine

In Science this week: analysis of cis confinement of the X-inactive specific transcript, and more.