'Home Improvement' star warns of dieting dangers after dropping 30 pounds

"Home Improvement" star Richard Karn is happy with his weight loss but doesn’t want it to become the whole focus of his life.

Karn, who has partnered with the DIY lawn care company, DoMyOwn, lost 30 pounds last year with his wife, and the couple are still following their diet "as much as we can."

"When something’s that strict, it can't, for me, become a whole lifestyle," he told Fox News Digital. "I mean, you have to go, ‘Well, you know what? I really would enjoy this piece of cake...