Exploring the Brain, One Neuron at a Time

A breakthrough cancer therapy using engineered immune cells called B-SYNC CAR-T cells completely eliminated aggressive childhood brain tumors in every mouse tested. The innovation lies in keeping the therapy dormant until it reaches the brain, where it activates to destroy diffuse midline glioma—a devastating cancer that typically kills within a year.

Psilocybin rewires the brain by creating and strengthening neural connections in unexpected ways, with the dramatic twist that scientists found a method to trigger this brain healing without the psychedelic effects. The compound behaves differently in stressed versus healthy brains, potentially offering a path to repair damage from chronic stress without the hallucinogenic experience.

A low-dose anti-aging drug called rapamycin improved brain blood flow in healthy middle-aged adults carrying the high-risk APOE4 gene for Alzheimer's, with women showing the strongest benefits. Because blood flow decline can precede memory loss by years, this finding opens a window for preventing Alzheimer's before symptoms ever appear.

An experimental drug originally designed for spinal cord injuries tackles multiple root causes of Alzheimer's disease simultaneously, including DNA damage and brain inflammation. Having already cleared initial human safety testing, the treatment could accelerate development of therapies that address the disease's underlying mechanisms rather than just its symptoms.