Brain training: how to keep your brain function sharp in later life?

In later life, you can keep your brain function sharp by training it. The article on Quest.nl emphasizes that this is possible with a number of simple tips.
According to the source, you can keep your brain sharp by doing mental activities, such as puzzles or reading. Exercise and a healthy lifestyle also play a role.
The article states that it is never too late to start training your brain. It is unclear which specific methods work best, but the general tips are a good start.
This message is a summary based on the mentioned source and is not medical advice. Consult a doctor or pharmacist in case of complaints.