Researchers have identified a potential pathway for how microplastics accumulate in human brain tissue, according to a new study examining the widespread presence of plastic particles in biological systems.

The research addresses growing concerns about microplastic contamination in human organs, including the brain, where these tiny particles have been detected in previous studies. Scientists are working to understand how these particles cross biological barriers and what health implications they may have.

Separately, emerging research continues to examine how fathers may transmit more than just genetic material to their offspring. Studies suggest that sperm carries molecular marks reflecting a father's life experiences, which could influence traits in children.

This epigenetic research focuses on RNA and other molecular modifications in sperm that do not alter DNA sequences but may affect gene expression in offspring. These findings contribute to a growing body of evidence about inheritance patterns beyond traditional genetics.

Both research areas represent ongoing scientific efforts to understand how environmental factors and biological processes affect human health and development at the molecular level.