exacerbate

1 - Poor air quality can exacerbate many health problems such as asthma, heart and lung disease.

2 - The purpose of sensationalist media is to gain public attention at any cost, and to do so it is necessary to exacerbate facts and events.

3 - Combat in a major urban area could exacerbate the humanitarian situation drastically.

4 - Green building materials, which often replace materials that exacerbate respiratory disease, can also improve environmental health, especially in low-income communities where asthma is particularly prevalent.

5 - Dry, hot periods can exacerbate wildfires, while water shortages are making firefighters' jobs even harder.