Why does my cat twitch and run? My 7 year old female cat has suddenly started twitching her back, running around, stops, grooms herself, and starts running again. I have her on a flea treatment and my other two cats don't do this at all. She only calms down if I pet her or she gets in her basket.
Psychological Causes. The most common causes of low libido in women are not due to physical or biological causes. Psychological causes like poor body image, low self-esteem, depression, stress and physical or sexual abuse are among the top reasons why women have low sex drive.
Sex hormones: Low estrogen levels due to missing menstrual periods or to menopause can cause osteoporosis in women. Low testosterone levels can bring on osteoporosis in men. Anorexia nervosa: This eating disorder can lead to osteoporosis. Calcium and vitamin D intake: A diet low in calcium and vitamin D makes you more prone to bone loss. Medication use: Some medicines increase the risk of osteoporosis. Activity level: Lack of exercise or long-term bed rest can cause weak bones. Smoking: Tobacco is bad for the bones, heart, and lungs.