A closer look
Welcome to the wild frontier of bioelectronic medicine, where researchers figured out your spleen takes direct orders from your brain. Neurosurgeon Kevin Tracey discovered that stimulating the vagus nerve with tiny electrical pulses signals the spleen to stop producing TNF-alpha, the molecular culprit behind massive inflammation. Instead of prescribing heavy immunosuppressants, doctors can now literally 'hack' the nervous system to switch off autoimmune diseases like rheumatoid arthritis.
