Not Healthy
Noun and な adjective
ふけんこう
不健康な野球選手についてのテレビ番組は、全国放送される予定ですよ。
The TV show about unhealthy baseball players will be broadcasted nationwide.
If 健康 is "health," then something that is not this is unhealthy.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. Will help to know 健康 first.