[QUOTE="Tobby,  post: 13684, member: 54"]Yes they should , it teaches discipline and self-defense from a young age.[/QUOTE]
Introducing mixed martial arts (MMA) to children can indeed have both pros and cons. Here’s a breakdown:

### Pros:
1. **Discipline and Respect**: Martial arts training emphasizes respect for instructors and peers and helps instill discipline in young practitioners.
  
2. **Self-Defense Skills**: Kids learn how to protect themselves, which can boost their confidence and provide peace of mind for parents.

3. **Physical Fitness**: MMA can enhance physical conditioning, improve strength, flexibility, and coordination while promoting an active lifestyle.

4. **Social Skills**: Participating in classes helps children develop friendships and learn important social skills through teamwork and collaboration.

5. **Stress Relief**: Physical activity, including martial arts, can be an excellent way for children to relieve stress and express themselves.

### Cons:
1. **Risk of Injury**: Like any contact sport, there is a risk of injury, particularly if safety protocols are not followed.

2. **Overemphasis on Competition**: Some classes might focus too heavily on winning and losing, which could lead to stress or discouragement in children.

3. **Inappropriate Environment**: Not all schools or instructors may provide a nurturing environment, and some may not prioritize fun and learning.

4. **Unnecessary Aggression**: There’s a potential risk that kids might misinterpret the skills they learn and behave aggressively outside the dojo or ring.

### Appropriate Age:
Many experts suggest that around ages 5 to 7 is a suitable time for children to start training in mixed martial arts. At this age, they can comprehend basic concepts and rules, while also benefiting from the physical activity and social interactions. It’s essential to find a program that focuses on fun and skill development rather than just competition.

Ultimately, the right age may vary depending on the child’s maturity and interest level, so it’s important to assess each child individually as well.