After the age of 50, regular exercise helps to keep healthy and energetic, and reduces the risk of illness. Therefore, people who exercise every day are more likely to be healthy than those who exercise occasionally. Here are some reasons:

1. Regular exercise helps to enhance physical fitness and immunity and reduce the risk of illness.

2. Exercise every day helps to keep the body stable and reduce the fatigue and tension.

3. Fitness helps to improve the metabolism and digestive function of the body, and helps to reduce the burden and pressure of the body.

4. Regular exercise helps to maintain the flexibility and balance of the body and reduce the risk of falls and fractures.

To sum up, people who exercise every day may be in better health than those who exercise occasionally, but individual differences and exercise methods will also affect the results. Therefore, it is suggested that people over the age of 50 should choose the appropriate exercise mode and frequency according to their physical condition and exercise ability.