How the brain increases blood flow on demand
Work described in this story was made possible in part by federal funding supported by taxpayers. At Harvard Medical School, the future of efforts like this — done in service to humanity — now hangs in the balance due to the government’s decision to terminate large numbers of federally funded grants and contracts across Harvard University. All day long, our brains carry out complicated and energy-intensive tasks such as remembering, solving problems, and making decisions. To supply the energy