Subtle Warnings and the Need for Quick Response

Though many strokes occur with little to no warning, some people do experience early indicators. A 2020 study in The Journal of Headache and Pain found that about 15% of people who suffered an ischemic stroke reported a “sentinel headache” in the week leading up to it — a persistent, unusual headache that didn’t subside until the stroke occurred.

Another key warning sign is a Transient Ischemic Attack (TIA), often called a mini-stroke. It occurs when blood flow to the brain is briefly interrupted, causing temporary symptoms such as weakness, confusion, or vision changes. While these signs may fade within hours, TIAs should never be ignored — up to one-third of those who experience one go on to have a major stroke.

Recent research from JAMA Network shows that receiving prompt care after a TIA dramatically reduces the risk of a full stroke within 90 days, emphasizing how critical fast action is.

Other stroke symptoms to watch for include sudden numbness on one side of the body, difficulty speaking, blurred vision, dizziness, or trouble walking. If you or someone nearby shows any of these signs, call emergency services immediately.

Understanding risk factors, paying attention to early symptoms, and acting fast can mean the difference between full recovery and lasting disability. Share this knowledge — awareness truly saves lives.