So, my CH cycles go ever 1.5 years and typically last 3 months. This last one started in December and it is now mid-April. Still having nightly hits. Now into month 4. One thing that is different is that I started working out for an hour 5 days a week. I've lost 35 lbs, however, I've noticed that after really heavy workouts, my hits get worse for the next few days. For the last 5 days, I stopped working out and the pain level has decreased each day. Honestly, I'm afraid to work out again. I've read online that those with higher vitamin D levels benefit when lifting weights and wonder if my workouts are using up some of the D I've built up. BTW, I'm currently taking 90,000 iU/day. This is a high dose, but anything less results in more pain and more attacks. Have any of you seen research that weight lifting or cardio can deplete your vitamin D levels? Just trying to understand why my workouts make things worse.