Keller says there are ways to treat it, including hormone therapy. Laparoscopic surgery to remove the endo lesions can also help. Jessica had her first surgery in 2010 and has needed five more since.

In endometriosis, higher prostaglandin levels lead to stronger cramps and pain (not just in the uterus, but also in endo lesions outside the uterus), pelvic inflammation and even digestive issues.

Some researchers theorize that a possible cause is an adverse reaction to a local trauma, such as a small injury or bug bite in the area where the lesion later forms. Age may be another risk ...

Periodontitis is a widespread inflammatory disease that leads to loss of the tooth supporting periodontal tissues. The few therapies available to regenerate periodontal tissues have high costs and ...