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In a major breakthrough, scientists have created a nasal spray that helps the body’s immune system fight aggressive brain tumors. Tested in mice, the treatment showed powerful effects. In many cases, tumors shrank or disappeared completely.The spray uses tiny particles called nanoparticles. These particles are small enough to travel through the nasal passages and reach the brain. Once there, they deliver immune-boosting signals. These signals wake up the body’s own defense system and direct it to attack the tumor cells.Brain tumors are very difficult to treat because of the blood-brain barrier, which blocks most medicines. But this nasal spray goes around that barrier. It delivers help directly to where it is needed. This makes the method more effective and less harmful than traditional treatments.In experiments, mice treated with the spray had much smaller tumors or none at all. The immune system remembered the cancer cells, making it less likely for the tumors to come back. Researchers say this memory effect is one of the most exciting parts of the discovery.The treatment is still in early testing, but the results are very hopeful. Scientists believe it could lead to a new way of treating brain cancers in humans without needing invasive surgeries or intense chemotherapy.This could become a safe, non-invasive option for fighting deadly brain tumors. By turning the body’s own immune system into a powerful defense, science is opening new doors for cancer treatment. The brain is one of the hardest places to reach, but this spray is changing what is possible.#techmedtime #fblifestyle #cancerresearch #nanotech #brainhealth