Eligibility Details:  
        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.