NUNZIUM

With more than 80 billion interconnected neuronal cells, the human brain is one of science's yet unsolved big mysteries. It is arguably the most irreplaceable organ of our body, the virtual space in which our existence occurs. The brain is at the base of most neurological diseases associated with ageing. Although the exact science remains opaque, scientists and doctors recently demonstrated that ultrasounds could attenuate or reverse some neurological conditions. With the advancement of brain diagnostic technologies and ultrasounds, these methods are increasing efficacy. Soon, they will help treat many common diseases - such as essential tremors.

Essential tremor is a neurological disorder which causes involuntary and rhythmic shaking. The condition can affect almost any body part. Still, the tremors typically occur in hands even during simple tasks such as eating, drinking or writing. The tremor is usually more prominent on one side of the body and can worsen with movement. It's most common in people 40 and older, affecting 25 million worldwide. Dr Jeff Elias - from the UVA neurosurgery clinic in Virginia - is a pioneer in treating essential tremors using ultrasound waves. Focused ultrasound is a noninvasive therapeutic technology that sends sound waves to specific brain parts. Targeting precise structures deep in the brain can restore the function of faulty circuits, and it has been demonstrated - in some cases - to stop and cure essential tremors.

Focused ultrasound is currently regarded as an alternative treatment for patients that are irresponsive to conventional ones. However, it does have several advantages compared to other methods. The therapy would involve a diagnostic phase where the patient undergoes MRI and CT scans so doctors can use the resulting images to map the brain's structure and the target. Before receiving high-intensity, focused ultrasound, patients must have their heads shaved since air can sometimes get trapped in hair and disturb the therapy. There are reports of patients who got rid of any tremor after only 44 seconds of focused ultrasounds. But the range of applications continues beyond this particular disease. There are more than 170 clinical uses including for neurodegenerative disorders and tumours of the brain, breast, lung, and prostate, and the field is growing. Today, focused ultrasound technology is used globally in various stages, including clinical trials and approved regulatory use.