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What are the differences between low- and high-frequency ultrasound for fat reduction?

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  To lose fat, people turn to eat less or exercising. However, following through with them can be a challenge, especially through exercise. Many people feel excited and confident at first, but eventually, give up halfway. Are there other ways to achieve our goals? The answer is ultrasonic cavitation. Ultrasound is widely used in cosmetic machines to remove localized fat. For this reason, ultrasonic cavitation machines stand out. It enjoys high popularity among people seeking beauty. In short, many people have benefited from this technology and procedure. Ultrasonic cavitation machines can apply frequencies of 30k (30,000 Hz), 40k, 60k, and 80k. So what's the difference? And how do the different frequencies of ultrasonic cavitation machines affect fat removal?   What is ultrasound? Before we go any further, it is necessary to have an idea of this concept: ultrasound. According to Wikipedia, ultrasound is a sound wave whose frequency exceeds the upper limit of human hearing. Ult...