 [ Symptoms ] is it normal that my period is late almost 8 days now i have never had sex so i can not be pregnant i am 16 and i am always regular it was ramadan recently so i fasted and my sleeping pattern kind of messed up i went to sleep at 4 am and woke up at 3 pm like the whole month but before that i have always went to sleep at like 11 pm plus i ate a lot less everyone says i have lost weight and i do not know if i should be worried or not i would reaaaaaaally appreciate your help [ Disease ] i am sorry to hear you are going through this let me take your second question first you are not getting any vitamin d directly from the weld flash it is true that exposure to low levels of ultraviolet uv radiation such as from sunlight promotes vitamin d synthesis creation if you will in the skin it is doubtful you are exposed to enough uv radiation from weld flashes to cause an overabundance of vitamin d production this is especially true if you are covering your skin with appropriate protective clothing as to your first question while it is possible you have a bone spur on your heel the most common cause of heel pain is a condition called plantar fasciitis plan ter fash ee eye tiss the good news is you can take steps at home to relieve your heel pain if it is in fact caused by plantar fasciitis that will save you a trip to the doctor home treatments for plantar fasciitis include resting your feet icing your heel wearing a night splint and more if you are not allergic to any medications you probably are safe to take an over the counter pain remedy like ibuprofen too if the home treatments for plantar fasciitis do not clear up your heel pain then i would suggest you see a medical professional it is possible you have a strained ligament or even a stress fracture good luck