Paleopathology (palaeopathology, traditional British spelling) is the study of ancient health and disease. The field is interdisciplinary, stretching from art history to paleontology and from parasitology to genomics.
Less common symptoms of low estrogen levels include: 1  Thinning hair. 2  Weight gain. 3  Arthritis. 4  Difficulty concentrating.
Estrogen is a normal and essential hormone for both women and men, but the more estrogen there is circulating in the blood, the greater the driving force behind some kinds of breast cancer. When women adopt a low-fat diet, their estrogen levels drop noticeably in a very short time.