As you have mentioned above that you are addicted to eating, then it would be better to include healthy stuff for you meals. Avoid eating junk food and oily food . This will help you to maintain a healthy lifestyle and can continue with your eating habits as well.
Alopecia Aretea is a hair-loss condition which affects the scalp and also causes hair to fall out in small, random patches from some or all areas of the body. My friend also faced this problem a few years back as he was also suffering from Alopecia Aretea. After meeting him, I have seen lots of patches on his beard. Then my uncle recommends him to take beard vitamins see here that are made to prevent patchy stubble, allows to grow a healthier and fuller beard.