Eligibility Criteria:
Inclusion Criteria:
* Participant has signed and dated the appropriate Informed Consent document.
* Agreed to participate in ALL required study procedures (including Biospecimen collections, Neuroimaging, and Quantitative Sensory Testing).
* Gave permission for use of DNA for genetics studies.
* Gender recorded in Participant Registration module.
* Participant is at least 18 years of age.
* Participant is able to speak, read, and understand English.
* Participant reports a response of "0" (zero) on the pain, pressure or discomfort scale (SYM-Q, Question #1).
* Participant reports no chronic pain in the pelvic or bladder region, and reports no chronic pain in any other body region.
* Participant reports no urological symptoms that have been evaluated, but are still present.
Exclusion Criteria:
* Participant has an on-going symptomatic urethral stricture.
* Participant has an on-going neurological disease or disorder affecting the bladder or bowel fistula.
* Participant has a history of cystitis caused by tuberculosis, radiation therapy or Cytoxan/cyclophosphamide therapy.
* Participant has augmentation cystoplasty or cystectomy.
* Participant has an active autoimmune or infectious disorder (such as Crohn's Disease or Ulcerative Colitis, Lupus, Rheumatoid Arthritis, Multiple Sclerosis, or HIV).
* Participant has a history of cancer (with the exception of skin cancer).
* Participant has current major psychiatric disorder or other psychiatric or medical issues that would interfere with study participation (e.g. dementia, psychosis, upcoming major surgery, etc.).
* Participant has severe cardiac, pulmonary, renal, or hepatic disease that in the judgment of the study physician would preclude participation in this study.
* Participant has had definitive treatment for acute epididymitis, urethritis, vaginitis.
* Participant has history of unevaluated hematuria, this will require the evaluation of a study physician to determine if this has been appropriately evaluated.
* Participant has had a cystoscopy with hydrodistention or kenalog injection.
Exclusion Criteria for Males Only:
* Diagnosis of unilateral orchalgia, without pelvic symptoms.
* History of transurethral microwave thermotherapy (TUMT), transurethral needle ablation (TUNA), balloon dilation, prostate cryo-surgery, or laser procedure.
* A prostate biopsy or transurethral resection of the prostate (TURP) within the last three months.
Exclusion Criteria for Females Only:
• Participant has a positive Urine pregnancy test.
Specimen Exclusion Criteria (Males and Females):
• Participant has a positive dipsticParticipant has a positive urine culture.
Fatigue Symptom Eligibility Criteria:
* Participant, for at least 3 months in the past year, has persistent fatigue not relieved with rest.
* Participant, for at least 3 months in the past year, has extreme fatigue following exercise or mild exertion.
* Participant, for at least 3 months in the past year, has impaired memory, concentration or attention.
Exclusion Criteria - Urine test results:
A clean-catch midstream urine specimen (VB2) will be obtained from all male and female participants during the initial and 6 month study visits, so that a urine dipstick analysis can be done for all participants, and a urine pregnancy test can be conducted for females of child bearing age excluding those who are post-menopausal and those with a history of hysterectomy.
* If participant has an abnormal dipstick urinalysis indicating abnormal levels of nitrites and/or occult blood, that in the opinion of the Principal Investigator warrants exclusion, participant will be ineligible for study participation at the initial visit and withdrawn from study participation. A positive dipstick at the 6 Month visit will also result in the participant being withdrawn.
* If participant has had a positive urine culture in the past 6 weeks, or currently has a midstream urine culture (VB2) (\>100,000 CFU/ml), with a single uropathogen, the participant will be ineligible for the study at the initial visit, treated and withdrawn from study participation. A positive dipstick at the 6 Month visit will also result in the participant being treated and withdrawn. (Must be documented on Urine Culture Result - UCR form). We will keep all specimens and data collected from both eligible and in-eligible participants unless participant request that his/her data be destroyed, and not utilized for the study.