An optical illusion challenges you to spot the number 58 hidden among alternating 5s and 6s. Strategies like breaking the grid into smaller sections and focusing on the shape of 8 can help. This ...

Dear Dr. Roach: I’m an 80-year-old woman in pretty good health, except for severe spinal stenosis. My problem is I wake up several times at night with the feeling that I need to urinate.