Now that the living standard has improved, you should still be in good health at 45. If you want to stay healthy, you must exercise.
Nowadays, people are getting older and older, and fitness should accompany them all their lives.
After the age of 45, you can choose jogging and brisk walking. It is necessary to establish a correct concept of fitness and insist on exercising every day.
Regular exercise will make you better when you get older.