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.
There are many conditions that can cause symptoms such as hot flashes, loss of libido, and other symptoms associated with low estrogen levels. Do not assume that estrogen levels are the cause of your symptoms.