The American College of Sports Medicine says, “Adequate food and fluid should be consumed before, during, and after exercise to help maintain blood glucose concentration during exercise, maximize exercise performance, and improve recovery time.
Explanation:
Eat a healthy breakfast.
Studies suggest that eating or drinking carbohydrates before exercise can improve workout performance and may allow you to work out for a longer time or at a higher intensity. If you don't eat, you might feel sluggish or lightheaded when you exercise.
A normal blood pressure level is less than 120/80 mmHg. No matter your age, you can take steps each day to keep your blood pressure in a healthy range.
The big thing is that, in countries with high life expectancy, their old people are more likely to feel engaged. This can be a cultural difference, or it can be geographical; old people are more likely to do things if they can physically get around.