The test was developed by researchers at the US-based not-for-profit Brain Chemistry Labs, who analysed 788 blood samples – roughly half from patients with the disease and half from people without it.

A look at Amyotrophic Lateral Sclerosis (ALS), focusing on motor neuron degeneration, sporadic versus familial classifications, and diagnostic methodologies.

Months before the diagnosis, he noticed weakness in his shoulder and arms, which then sparked alarm bells when he was unable to lift one of his two sons out of a swimming pool.

The scientist Stephen Hawking lived with amyotrophic lateral sclerosis (ALS), the most common type of motor neuron disease, for 55 years. He was one of the longest-surviving people with the condition.

Influencer Sara Bennett's husband has shared how a subtle hand symptom was one of the first warning signs before her ALS ...