If you’re trying to keep up with TikTok’s ‘winter arc’ trend or are thinking about ... to ‘lock in’ and stick to a strict health, fitness and wellbeing regime until January.

Exercise addiction can harm your physical and mental health. Learn the 5 signs of exercise addiction and tips to regain balance without quitting fitness.

Considering a new fitness challenge? Experts say there are benefits — but it's not for everyone. (Getty Creative) ...