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.
That's because estrogen decline accelerates closer to menopause, and many symptoms are related to withdrawal from the hormone. With time, though, most women adapt to the loss of estrogen, and symptoms ease.