Recent advances in benefits and hazards of engineered nanoparticles

► Engineered NPs are increasingly produced nowadays as the result of the rapid development in nanotechnology. ► Drug delivery, cancer therapy, and tissue engineering are the major uses of engineered NPs in medicine. ► Unintended exposure to engineered NPs would result in various diversified effects among workers and consumers. ► Regulatory health risk assessment of engineered NPs becomes mandatory due to their wide production and commercial use.