premature – adj. happening too soon or before the usual time
neglect – v. to not give something enough care or attention
income – n. money earned through working, investing or producing goods
sanitation – n. a system for protecting people's health by removing dirt and waste
exposure – n. coming in contact with something
follow up – v. to continue or complete something started earlier
impact – v. to affect
emission – n. the act of releasing something