Learning three new skills simultaneously can make your brain up to 50 years younger. Researchers found that older adults who engaged in this learning method performed as well on memory tests as people decades younger. Whether it's languages, photography, or sports, challenge yourself with new skills to improve cognitive abilities and memory.Learning three new skills simultaneously can make your brain up to 50 years younger. Researchers found that older adults who engaged in this learning method performed as well on memory tests as people decades younger. Whether it's languages, photography, or sports, challenge yourself with new skills to improve cognitive abilities and memory.