Here are five mood-boosting exercises that can help reduce stress:

1. Yoga: Yoga involves physical postures, breathing techniques, and meditation, and it can help reduce stress by calming the mind and relaxing the body.

2. Walking: Going for a walk can be a great way to clear your mind and boost your mood. Being in nature and getting some fresh air can help reduce stress and improve your overall well-being.

3. Aerobic exercise: Aerobic exercise, like running, cycling, or swimming, can help reduce stress by releasing endorphins, which are feel-good chemicals in the brain.

4. Strength training: Resistance or strength training can help reduce stress by improving your overall physical health and helping you feel more confident and capable.

5. Mindfulness meditation: Mindfulness meditation involves focusing on the present moment and accepting thoughts and feelings without judgment. It can help reduce stress by teaching you how to manage your thoughts and emotions in a healthy way.

Remember to consult with a healthcare professional before starting any new exercise program, and choose activities that are suitable for your fitness level and abilities.