If your sexual get-up-and-go is gone, maybe you're not getting enough sleep. Do you have a sleep problem like trouble falling or staying asleep, or a condition such as sleep apnea? The North American Menopause Society: "Fixes for a Stalled Sex Life." NYU Langone Medical Center: "Female Sexual Dysfunction," "Psychosexual Dysfunction." Phillips, R. Campbell-Walsh Urology, 10 THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE.

Sexwap image-83

"They aren’t known as leaders, but they were to their communities."By Michele Anderson The Triangle Shirtwaist Company’s fire resulted in the tragic loss of nearly 150 young women and girls on March 25, 1911, in New York City.

The garment workers at the company had been attempting to unionize to gain better wages and improved working conditions.

For both sexes, watch for fallout from fights, poor communication, feeling betrayed, or other trust issues. Medline Plus: "Low Testosterone Reference Summary." Nappi, R. Textbook of Family Medicine, 8 edition, Mosby, 2008.

If it's tricky to get back on track, reach out to a couples counselor. European Journal of Obstetrics Gynecology & Reproductive Biology, March 2008. University of Illinois at Urbana-Champaign, Mc Kinley Health Center: "What You Should Know About Sex & Alcohol." University of Virginia School of Medicine: "Sexual Function Across Life Cycle in Women." Wein, A.

If, as in the case of coho salmon and rainbow trout, these males are sexually viable, they can only produce male offspring.

This reduces the number of genetic females in the population with each successive generation, and leads to an imbalance in the sex ratio of spawners.

It could be that you don't enjoy sex, can't perform like you want to, or are held back by low self-esteem. "Oral Contraceptives and Libido in Women," Annual Review of Sex Research, 2004.

Working on how you feel about yourself, with a counselor if needed, may make a big difference. IMAGES PROVIDED BY: (1) Somos/Veer (2) Radius (3) Uwe Umstätter/Mauritius (4) Fotosearch Illustration/Photolibrary (5) Yellow Dog Productions/Taxi (6) Roy Morsch/Getty (7) Rubberball Productions (8) Robb Kendrick/Aurora (9) Rob Melnychuk/Digital Vision (10) David Sacks/The Image Bank (11) Getty (12) Jean-Pierre Pieuchot/The Image Bank (13) Ryan Mc Vay/Thinkstock SOURCES: Columbia University, Go Ask Alice: "Birth control pills causing my low sex drive?

Problems with your partner are among the top sex-drive killers.

For women, feeling close is a major part of desire. The Urologic Clinics of North America, February 1, 2008. The Journal of the American Medical Association, 2011.

Men with ED (erectile dysfunction) often worry about how they will be able to perform sexually, and that worry can drain their desire. Not all lose the desire for sex as this happens, but some do.