The Serpent Merchant is correct, make sure your husbandry is correct and stop lowering the temps at night. My adult female just ate for the first time in 2 months last night, Balls can go on feeding strikes for quite a while. As long as they're not losing weight I wouldn't worry. Mine has gone almost 4 months without eating before, you just have to deal with it and wait another week then offer again.
Also those are two good threads to read through
Sent from my fingertips...