I ran into an old friend by chance at the library.

I'm going to work, see you later.

He is trying to overcome homophobia.

His xenophobic attitude lacks understanding towards a multicultural society.

His younger brother has mutism and doesn't speak a word in front of people.

His younger brother has mutism and cannot speak.

My younger sister is suffering from candidiasis.

She was told by her doctor to follow a special diet because of her pica.

Prevention of infectious diseases is important with hand washing and wearing masks.

His grandfather is suffering from dementia.