Genetic testing beats clinical screening for heart condition in Brazil

A new study in *The Lancet Global Health* by Dr. Aline Mendes and team found genetic testing is a cost-effective way to screen relatives for hypertrophic cardiomyopathy (HCM) in Brazil. It saves money, reduces unnecessary medical follow-ups, and eases the psychological load for genotype-negative family members by preventing needless lifelong surveillance. The findings could shift policy for Brazil's public health system, SUS.