16. Seizure (n): /ˈsiʒər/ Convulsión
A very sudden attack of an illness in which someone becomes unconscious or develops violent movements.
Example: The patient had a seizure after being injected with the wrong drug.

17. Severe (adj): /səˈvɪr/ Severo
Extreme or very difficult.
Example: Over-crowding in California schools is pretty severe.

18. Sinusitis (n): /ˌsaɪnəˈsaɪtɪs/ Sinusitis
An infection in which the inside of your sinuses becomes swollen.
Example: Ashley’s nose looks like she’s got sinusitis.

19. Surgery (n): /ˈsɜrʤəri/ Cirugía
Medical treatment in which a doctor cuts open someone’s body.
Example: He had to undergo heart bypass surgery.

20. Wheezing (n): /ˈwizɪŋ/ Ruidoso
The act of breathing in a noisy way that is uncomfortable.
Example: He has difficulties when running because he causes some wheezing.

a. Practice:
Choose one word from the vocabulary list and fill in the blanks.

1. Pollen in the air is not beneficial for him because he has .

2. One of her fatal  is  because she ate too much fat on her meals.

3. He filled his  with tobacco and lit it.