sex

Age and Sex Strongly Influence ALS Type and Symptoms, Study Finds

The onset and early progression of motor and cognitive symptoms, specific by disease type to each amyotrophic lateral sclerosis (ALS) patient, are determined by age and sex, and to some extent by mutations in ALS genes, a large data study has found. The study, “ALS phenotype is influenced…

More Than Half of ALS Cases Have a Genetic Cause; Women Have Greatest Risk of Developing the Disease, Irish Study Suggests

More than 50% of the cases of amyotrophic lateral sclerosis (ALS) disease are linked with a genetic cause, and first-degree relatives of an ALS member — especially daughters of ALS mothers — show the highest risk to inherit it, according to an Irish population-based study. The study “Lifetime Risk…