If your lungs are functioning poorly, you might not be able to breathe without a ventilator.
Shortages of food, clothes, and other essential items exacerbated ethnic tensions between the local Tajiks, Uzbeks, Kyrgiz and the Russian Diaspora.
Like many British cities dependent on traditional heavy industry, Belfast suffered serious decline since the 1960s, exacerbated greatly in the 1970s and 1980s by the Troubles.
This population decline throughout West Africa from 1650 until 1850 was exacerbated by the preference of slave traders for male slaves.
Your lungs are responsible for exchanging oxygen with carbon dioxide.
Other synonyms include to embitter, enrage or vex.