causing a lack of sharpness, or even trouble with recall. thankfully, the breakthrough in prevagen helps your brain and actually improves memory. the secret is an ingredient originally discovered... in jellyfish. in clinical trials, prevagen has been shown to improve short-term memory. prevagen. at stores everywhere without a prescription. choosing a treatment for your chronic migraine - 15 or more headache days a month, each lasting 4 hours or more - can be overwhelming. so, ask your doctor about botox®. botox® prevents headaches in adults with chronic migraine before they even start. it's the #1 prescribed branded chronic migraine treatment. so far, more than 5 million botox® treatments have been given to over eight hundred and fifty thousand