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An epidemic of chronic diseases continues to grow in the United States; half the population — an estimated 129 million Americans — have lifelong health conditions that need continuous medical attention and limit certain daily activities.

When it comes to stroke, it’s crucial to know how to recognize its signs and symptoms so you can access care quickly and preserve brain function. One acronym — BE FAST — can make it easier to identify a stroke, which happens when there’s a blockage to the brain’s blood supply (an ischemic stroke) or a sudden rupture and bleeding in the brain (a hemorrhagic stroke).

BE FAST stands for:

Every day for the next five years, 10,000 Baby Boomers will turn 65, and by 2030, 18 percent of the U.S. population will be age 65 or older according to the Pew Research Center. While old age certainly doesn’t begin at 65, it’s not unreasonable to think as we age, we may need help from loved ones. Millions of Americans already act as caregivers each year.

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.