Belly fat can be a stubborn and unsightly problem, but the good news is that with a combination of a healthy diet and regular exercise, it is possible to reduce it. Here are 5 effective exercises that can help you achieve a flatter and healthier belly.

1. Crunches: Crunches are a classic exercise that targets the abdominal muscles, and can help tone and strengthen them. To perform crunches, lie on your back with your knees bent and your hands behind your head. Lift your upper body towards your knees, then lower it back down. Repeat for several reps, and work your way up to 3 sets of 15 reps.

2. Plank: Plank is a great exercise for targeting the core, including the abdominal muscles. Start by getting into a push-up position, then lower your body down onto your forearms, with your elbows directly under your shoulders. Hold this position for 30 seconds, and work your way up to longer holds.

3. Bicycle crunches: Bicycle crunches are a variation on the classic crunch that targets both the upper and lower abs. Lie on your back with your knees bent and your hands behind your head. Lift your head and shoulders off the ground, and then bring your left knee in towards your chest, while extending your right leg. Switch legs, and continue to alternate for several reps.

4. Russian twists: Russian twists are a great exercise for targeting the oblique muscles, which run down the sides of the abdomen. Sit on the ground with your knees bent and your feet flat on the ground. Hold your hands in front of your chest, and twist your torso to the left and right, making sure to keep your feet in place. Repeat for several reps, and work your way up to 3 sets of 15 reps.

5. Leg raises: Leg raises are an effective exercise for toning and strengthening the abdominal muscles. Lie on your back with your arms at your sides, and your legs extended straight up towards the ceiling. Lower your legs down until they are just above the ground, then lift them back up. Repeat for several reps, and work your way up to 3 sets of 15 reps.

Incorporating these exercises into your regular fitness routine, along with a healthy diet, can help you achieve a flatter and healthier belly. Just remember to listen to your body, and don't push yourself too hard – a gradual and consistent approach is key to achieving your goals.