Keep your brain young and healthy at any age with this practical workbook through the 12-week program from the #1 New York Times bestselling author of Keep Sharp. Chief CNN medical correspondent Dr. Sanjay Gupta helped countless readers keep their brains sharp and effortlessly productive with KEEP SHARP. In 12 Weeks to a Sharper You, he now provides a step-by-step 12-week program to help you put his transformational ideas into daily practice. He writes, “Change is a challenge