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As annoying — and agonizing — as it can be, pain is a common and important signal from your body. It’s a sign that something needs attention, and, once you’ve given it that attention and the pain lessens, its absence is an indication that you’re healing.

In a surgical suite at Barnes-Jewish Hospital, a robotic arm snakes an ultra-thin, ultra-flexible tube through a patient’s airway. Once the tube reaches the lungs, the surgeon operating the device remotely uses a tiny camera to search the area for an abnormal growth, or nodule, that might be cancerous. Once located, a needle pierces the nodule for biopsy.

For neurologists working with patients with Alzheimer’s disease, the road to actual treatment options has been long and paved with setbacks.

But that is changing for some patients. The Food and Drug Administration recently granted full approval to Leqembi® (lecanemab), the first disease-modifying treatment fully approved for patients in the early stages of Alzheimer’s disease. The development of this new drug offers hope to patients and may have lasting impacts on how physicians approach treatment.