Adolescence /ˌæd

anxiety /æŋˈzaɪ.ə.ti/ /-t ̬i/ noun WORRY
1. [ U ] an uncomfortable feeling of nervousness or worry about something that is happening or might happen in the future
Children normally feel a lot of anxiety about their first day at school.
That explains his anxiety over his health.
Her son is a source of considerable anxiety.
2. [ C ] something that causes a feeling of fear and worry
job anxieties
anxiety /æŋˈzaɪ.ə.ti/ /-t ̬i/ noun MEDICAL CONDITION
4. [ U ] a medical condition in which you always feel frightened and worried
He has helped patients suffering from anxiety, depression, and eating disorders.
an anxiety disorder/ attack
appetite /ˈæp.ɪ.taɪt/ noun FOOD
1. [ C or U ] when you want to eat food
All that walking has given me an appetite.
I won't have any chocolate, thanks. It will spoil (= reduce) my appetite.
I haven't got much of an appetite (= I am not hungry) .
The children all have healthy/good appetites (= they eat a lot) .
Both viruses cause fever and loss of appetite.