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Strength training alone will not cause muscle loss. In fact, it is an important part of maintaining and building muscle mass.

Cardio can help improve cardiovascular health and aid in weight loss, but it is not necessary for building muscle mass. Strength training works by breaking down muscle fibers and allowing them to rebuild and grow stronger.

As long as you are providing your muscles with enough resistance and fueling them with adequate nutrition, strength training alone can be an effective way to build and maintain muscle mass.

However, incorporating both strength training and cardio into your fitness routine can provide a wide range of health benefits and lead to overall improved fitness and well-being.

Here are some of the health benefits of strength training and cardio:

• Reduced risk of chronic diseases such as heart disease, stroke, and type 2 diabetes

• Improved bone health

• Increased muscle mass and strength

• Improved balance and coordination

• Reduced stress levels

• Improved mood

• Increased energy levels

If you are looking to improve your overall health and fitness, I recommend incorporating both strength training and cardio into your routine.