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Lasers are the new hope in eliminating deadly brain diseases like Alzheimer’s and Parkinson’s, according to a new study.

Researchers at Chalmers University of Technology and the Polish Wroclaw University of Technology believe that doctors may some day able to cure the ailments without needing to touch surrounding brain tissue.

This technique might also be able to replace plenty of chemical based treatments used to treat amyloid protein aggregates. These involve toxic components that can put patients at ultimate risk.

In their study, researchers also discovered that it was possible to distinguish the aggregations of the proteins which were thought to be a reason of brain disease. They took the help of multi-photon lasers.

“We have found a totally new way of discovering these structures using just laser light” said Piotr Hanczyc of Chalmers University of Technology according to The Verge.

“Nobody has talked about using only light to treat these diseases until now. This is a totally new approach and we believe that this might become a breakthrough in the research of diseases such as Alzheimer’s, Parkinson’s and Creutzfeldt-Jakob disease.”

Diseases such as Alzheimer’s and Parkinson’s arise when amyloid proteins are aggregated in large doses so that they start to inhibit proper cellular processes. Although different proteins create different kinds of amyloids, they generally have the same structure, reported IBTimes.

Pointing out the harmful proteins is one of the important steps but it is also important to remove them. According to the researchers, if the protein aggregates can be removed, the disease would also be removed in theory.

“With multi photon laser the chemical treatment would be unnecessary,” researchers also added according to IBTimes.

The findings are published in the journal Nature Photonics.