Question: Many in my social circle are now at the age when we’re more likely to have a stroke. What symptoms should we watch for? And what happens if someone has a stroke? Answer: If you’re 55 or older, you’re at greater risk of stroke. A stroke is a medical emergency. It happens when either the blood supply to the brain is blocked or a blood vessel in the brain leaks or bursts. In both cases, brain cells begin to die in minutes, so it can be life-changing to recognize the symptoms in your friends and family. Stroke risks In addition to age, lifestyle factors ranging from being overweight, physical inactivity, heavy drinking, smoking or being exposed to secondhand smoke and using illegal drugs such as cocaine and methamphetamine can contribute to your stroke risk. There also are medical conditions that increase your stroke risk, including: — High blood pressure. — High cholesterol. — Diabetes. — Obstructive sleep apnea. — Cardiovascular disease. — Personal or family history of stroke or heart attack.…